March 2015 Issue 8

H I G H L I G H T S

Tech Talk

The Visionary SpeaksIn conversation with

Mr. Ashwani Pahuja

H I G H L I G H T S

Urbanisation in Rural Areas

Its time once again to put on your thinking caps and get

ready to participate in the contest. Send in your entries for the below mentioned topic related to the next issue's theme and the best contribution will be featured in the next issue of New Horizons as well as win you exciting prizes! So get inking!

"BIG IDEAS"

Topic “Use of Ad mixtures in Concrete"

the writer in you!Discover

Last date of submission of entries is 10th July, 2015Please submit your entries to cts.delhi@jkcement.com; shivapriya.iyer@jkcement.com

NPPNukkad Product Promotion

Program at JodhpurExecutives Present:

Mr. Virendra Takle (CTS)Mr. Sunny Purohit, Mr. Manish Agarwal (Marketing)

Editor’s Desk

C O N T E N T S

Editorial Board:

Nitish ChopraHead (Branding & Communication)

ShivapriyaSr. Officer (Branding)

Alok TiwariOfficer (CTS)

For any feedback, inputs and suggestions please contact: editor.horizons@jkcement.com

Dear Friends & Colleagues,

A big thank you for the continued encouragement and

support that we have received for New Horizons. It has been

an immense source of inspiration for the entire team.

In this edition's cover story, we share invaluable insights of

Mr. Ashwani Pahuja, Director General; NCCBM, Chairman

CPCB Standing Committee and National Task Force for

Cement Industries, author and researcher. Mr. Pahuja

shares his profound insights on technological

breakthroughs in cement manufacturing, novel construction

materials and techniques and their impact on the future of

the construction industry.

The issue also features the various activities conducted by

the CTS in this quarter in order to get closer to the dealers

and applicators. Other highlights in this issue include the

relevant articles and write-ups submitted by our executives

and customers. Our theme for this issue is “Urbanisation in

Rural Areas”. As always, the entire Technical Services

community has provided us with an overwhelming and

laudable response.

I sincerely hope you appreciate the effort that has gone into

putting together this issue of New Horizons and that it

continues to engage you. I look forward to your continued

participation and positive feedback.

Best regards,

Rana Pratap Singh

Head - Customer Technical Services

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NPP 2

SDA 4-6

PAS 9

CSW 10-11

MM 12

Exhibitions 15

Interview with Mr. Ashwani Pahuja 16-17

Big Ideas - Winning Entry 18

PTW 19

CSM 20-21

CSA/ASA 25

DOA 26

Grey Cement North Marketing 29

Contacts

Grey Cement South Marketing 30

Contacts

White Cement Marketing 31

Contacts

CTS Executives Contacts 32

Tech-Talk 7, 8, 13, 14,

22, 23, 24, 27, 28

In a Stockist & Dealer Awareness program basic information about our products, literature, packaging & trade policies is

conveyed to our registered dealers & stockists.

Program at AmbikapurExecutives Present: Mr. Rajesh Kumar Tandon (CTS)

Mr. Saurabh Asthana, Mr. Pavan Roy (Marketing)Mr. Satya Prakash Mishra (SSA)M/s. Shephali Traders (Dealer)

Stockist & Dealer Awareness Program

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Program at AlwarExecutives Present:Mr. Manoj Kulshrestha (CTS)Mr. Sandeep Verma (Marketing)Mr. Rajeev Soni (Branding)

Program at AurangabadExecutives Present: Left to Right: Mr. Rajesh Galphade

(Stockist), Mr. Dheerendra Kumar, Mr. Rajiv Mishra, Mr. Mohan Sharma (Marketing), Mr. Ganesh Gulve,

Mr. Rajkumar Khiwansara (Stockist)

Program at MathuraExecutives Present:

Mr. Awadhesh Kumar Mishra (CTS), GhaziabadMr Vivek Pratap Singh (CTS), Aligarh

Mr Sandeep Sharma (Marketing), AgraMr K Ksaraswat (Marketing), Mathura

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SDA

Program at JaipurExecutives Present:Mr. Manoj Kulshrestha (CTS)Mr. Sunil Jain (Marketing)Mr. R K Singhal (Accounts)

Program at JalandharExecutives Present:

Mr. R.K. Jha, Mr. Padamvir Singh (CTS)Mr. Arvind Sidana, Mr. Prem Mohan Gautam,

Mr. Daljeet Singh (Marketing) Mr. Ashish Garg (Stockist)

Program at PatnaExecutives Present:

From Left to Right - Mr. S.N. Singh (Account) , Mr. Rameshwar Singh (CTS), Mr. Arvind Kumar (Marketing), Mr. Nalin Prabhat

(Marketing), Mr. S.P. Arora (CTS) Mr. Nishikant (Marketing)

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In a Stockist & Dealer Awareness program basic information about our products, literature, packaging & trade policies is

conveyed to our registered dealers & stockists.

Program at HubliExecutives Present:

Mr. Nitant Shah, Mr. Sanjeev Ganiger (CTS), Mr. Mahesh Dandoti (Marketing)

Program at RanchiExecutives Present:

Mr. S.P. Arora (CTS), Mr. Rameshwar Singh (CTS), Mr. Sunil Kumar (CTS), Mr. Mahesh Kumar (Marketing - SSA),

Mr. Sumit Kumar (Marketing), Mr. Nikhil Kumar (CNF)

Stockist & Dealer Awareness Program

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SDA

Program at PanchkulaExecutives Present:Mr. Dinesh Sharma (CTS)Mr. D.D. Sharma, Mr. Jaganjit, Mr. Ankit Jaiswal (Marketing)Mr. Suresh Mittal, Mr. Anil Garg (Stockists)

Program at PatialaExecutives Present:

Mr. Dinesh Sharma (CTS)Mr. J.P. Tiwari, Mr. Gopal Krishan, Mr. Tarsem Sharma (Marketing)

Mr. Anuj Marwaha (Sales Promoter)

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Tech Talk

Desiccants

Corrosion mainly happens when metal comes in

contact with moisture, so, by removing moisture we can

prevent corrosion. Desiccants are compounds which

absorb moisture from the air around them, but it should

be air tight otherwise it will not work. Silica gel and

aluminum silicate are mainly used as desiccants.

Mr. Kundan Kumar

CTS, Muzzafarpur

Corrosion is a chemical reaction which happens when a

certain metal is exposed to environmental stress. Rust is

one of the most common forms of corrosion. Corrosion

weakens the metal, which can be dangerous in metal

supported beam or RCC structure. Following are a few

methods which can prevent corrosion in concrete

structures.

Covering With Other Metals

By coating or plating metal like Iron which easily

corrodes in environment by a metal like Zinc which

corrodes faster than Iron, is one common way of

increasing corrosion resistance. By covering metal with

high reactive material, creates a solid layer of corroded

material that prevents further damage.

Methods of Preventing Corrosion in Concrete Structure

flexible which provide more corrosion protection. Even

a thin layer of oil can prevent corrosion, that's why guns

are regularly coated with the substance.

Protective Coatings

We can also prevent corrosion by using Enamel,

Polymer or Plastic in different application. These

coatings prevent oxygen and other components from

reaching the metal surface so that corrosion does not

occur. Polymer and epoxy-based formulas are more

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What is Geo Polymer?

Geopolymers are inorganic polymeric materials produced by

reacting solid aluminosilicates with highly concentrated

aqueous alkali hydroxides and silicate solution.

Source material

• Natural Minerals: Clays, Kaolinite … etc.,

• By Products: Fly ash, Silica fume, Slag, Rice-husk, Red

mud… etc.,

Properties of Geopolymer

Thermal stability

High surface smoothness

Precise moldability

Hard surface (4-7 on Mohs scale)

Geopolymer

dissolved in alkaline solution will suffice as a source of the

production of geopolymer.

• Energy saving and environment protection: Geopolymers

do not require large energy consumption. Thermal

processing of natural alumina-silicates at relatively low

temperature (600ºc to 800ºc) provides suitable

geopolymeric raw materials, resulting in 3/5 less energy

consumption than Portland cement also little CO is 2

emitted.

• Simple preparation technique: Geopolymer can be

prepared simply mixing alumina-silicate reactive materials

and strongly alkaline solutions, then curing at room

temperature. In a short period, a reasonable strength will be

gained. It is very similar to the preparation of portland

cement concrete.

• Good volume stability: Geopolymers have 4/5 lower

shrinkage compared to portland cement.

• Reasonable strength gain in a short time: Geopolymer can

obtain 70% of the final compressive strength in the first

4 hours of setting.

• Ultra-excellent durability: Geopolymer mortar can withstand

thousands of years' weathering attack without too much

function loss.

• High fire resistance and low thermal conductivity:

Geopolymer can withstand 1000ºc to 1200ºc without

losing its functions.

Mr. C Thiyagu

CTS, Madurai

Uses of Geopolymer

• Geopolymer mortar and concrete

• Insulated panels and walls

• Foamed (expanded) geopolymer panels for thermal

insulation

• Refractory items

• Fire resistant and fire proof composite for infrastructures

repair and strengthening

• Fireproof high-tech applications, aircraft interior

Comparison with portland cement & geopolymers

• Raw materials resources: Any pozzolanic compound or

source of silicates or alumina-silicates that is readily

At Product Application Seminars we interact with groups of Architects/ Engineers & Industrial Consumers for imparting information on innovative and new applications of our products. We work with them jointly to integrate these applications into their projects.

PAS

Program at RanchiExecutives Present:

Mr. S.P. Arora, Mr. Sunil Kumar (CTS)Mr. Nalin Prabhat, Mr. Sumit Kumar (Marketing)

Program at GayaExecutives Present:

Mr. Rameshwar Singh (CTS)Mr. Arvind Kumar, Mr. Nishikant (Marketing)

Mr. Ravi Kumar (Stockist)

Product Application Seminars

Program at Durg / BhilaiExecutives Present:

Mr. Rajesh Kumar Tandon (CTS)Mr. Yogesh Dhankar (Marketing)

Mr. Balmik Prasad Pandey (SSA)M/s. Jain Trading Company, M/s Chandrakar Traders &

M/s Shankar Glass Centre (Dealers)

Program at AnanthapurExecutives Present:Mr. Veerendra Nijampure, Mr. A. Venkateswarlu (CTS)Mr. S. Dhana Kumar (Marketing)

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Interactions with groups of small to medium size Contractors & their Supervisor's is organised for

their skill development

Program at HimmatnagarExecutives Present:

Mr. Pulin Mistry (CTS)Mr. S.C. Shukla (Marketing)

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Program at AmbikapurExecutives Present:Mr. Rajesh Kumar Tandon (CTS)Mr. Satya Prakash Mishra (SSA)M/s. Shephali Traders (Dealer)

Program at JaipurExecutives Present:

Mr. Manoj Kulshrestha, Mr. Pushpendra Singh (CTS)Mr. Anil Sharma (Marketing)

Contractor’s and Supervisor's Workshop

Program at MuzaffarpurExecutives Present:

From Left to Right : Mr. Rameshwar Singh (CTS)Mr. Kundan Kumar (CTS), Mr. Nalin Prabhat,

Mr. Satya Prakash, Mr. Arvind Kumar (Marketing)Mr. Kunal (Stockist)

Program at JamshedpurExecutives Present:

Mr. Rameshwar Singh (CTS), Mr. Nalin Prabhat (Marketing) Mr. Shekhar Kumar, Mr. Sunil Kumar

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Program at North DelhiExecutives Present:Mr. Vikrant Tata (CTS)Mr. Ritesh Rai (Marketing)

Program at RaipurExecutives Present:

Mr. Rajesh Kumar Tandon (CTS)Mr. Budhdeo Singh, Mr. Virat Soni (SSA)

Mr. Manmohan Kosle (Applicator)M/s. Malani Traders (Dealer)

CSW

Program at West DelhiExecutives Present:

Mr Rakesh Kumar Singh (CTS)Mr. Neeraj Singh, Mr. Abishek Pathak (Marketing)

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Program at BandikuiExecutives Present:Mr. Pushpendra Singh (CTS)Mr. Mahaveer Singh (Marketing)

Program at North DelhiExecutives Present:

Mr. Vikrant Tata (CTS)Mr. Vipin Kumar (Marketing)

Program at Harohalli Executives Present:

Mr. P.S. Punneshetty (CTS) Mr. Yogesh (Marketing)

Program at Lambadiya Executives Present:

Mr. Pulin Mistry (CTS)Mr. S.C. Shukla (Marketing)

Masons’ Meets are conducted for masons across the Country for knowledge transfer of specialized applications related to

construction activities

Masons MeetMM

Tech Talk

GEOPOLYMER CONCRETE can be manufactured by adopting the conventional techniques used in the manufacture of Portland cement concrete. In the laboratory, the fly ash and the aggregates are first mixed together dry in a pan mixture for about three minutes. The aggregates are prepared in saturated surface dry condition. The alkaline liquid is mixed with the super plasticizer and the extra water, if any .The liquid component of the mixture is then added to the dry materials and the mixing is continued usually for another four minutes. The fresh concrete could be handled up to 120 minutes without any sign of setting and without any degradation in the compressive strength. The fresh concrete is cast and compacted by the usual methods used in the case of Portland cement concrete. Fresh fly ash based geopolymer concrete is usually cohesive. The workability of the fresh concrete was measured by means of the conventional slump test. The compressive strength of geopolymer concrete is influenced by the wet mixing time.

Geopolymer concrete offers environmental protection by means of up cycling low calcium fly ash and blast furnace slag, waste or by products from the industries, into a high value construction material needed for infrastructure development. The geopolymer concrete has excellent compressive strength and suitable for structural applications. The elastic properties of hardened geopolymer concrete and the behaviour and strength of reinforced geopolymer concrete structures are similar to those observed in the case of Portland cement concrete. Therefore, the design provision used in the current standards and codes can be used to design reinforced geopolymer concrete structures. Low calcium fly ash based geopolymer concrete also shows excellent resistance to sulfate attack and fire, good acid resistance, undergoes low creep and suffers very little drying shrinkage. So use of geopolymer concrete may be economically beneficial.

Mr. Pradeep Kumar BarikCTS, Bhubaneswar

Nowadays the global use of concrete is second only to water. The increasing demand of concrete leads to an increase in the demand for Portland cement as well. The climate change due to global warming is a major concern. Global warming is caused by the emission of greenhouse gases, such as carbon dioxide (CO ), to the atmosphere by human activities. Among the green 2

house gases, CO contributes about 65% of global warming. 2

The cement industries are held responsible for some of the CO 2

emission, because the production of one ton of Portland cement emits approximately one ton of CO into the 2

atmosphere. The environment must be protected by preventing dumping of waste/by product materials in an uncontrolled manner. A lot of efforts are being made in this direction. Such as the utilization of supplementary cementing materials such as fly ash, Silica fume, granulated blast furnace slag, rice huskash and metakaolin, and the development of alternative binders to Portland cement. In this respect, the geopolymer concrete with a much lower environmental footprint shows considerable promise for application in the concrete industry in terms of global warming. It could significantly reduce the CO emission 2

to the atmosphere caused by the Cement Industry.

An alkaline liquid could be used to react with the silicon (Si) and the aluminum (Al) in a source material of geological origin or in by product materials such as fly ash, slag and rice husk ash to produce binder. Because the chemical reaction that takes place in this case is a polymerization process, hence the term GEOPOLYMER is used to represent these binders.

The primary difference between geopolymer concrete and Portland cement concrete is the binder. The silicon and aluminum oxides in the low calcium fly ash reacts with the alkaline liquid to form the geopolymer paste that binds the loose coarse aggregate, Fine aggregates, and other un-reacted materials together to form the geopolymer concrete. As in the case of Portland cement concrete, the coarse and fine aggregate occupy about 75 to 80% of the mass of geopolymer concrete. This component of gepolymer concrete mixtures can be designed using the tools currently available for Portland cement concrete.

The compressive strength and the workability of geopolymer concrete are influenced by the proportions and properties of the constituent materials that make the geopolymer paste.

• The concentration (in terms of molar) of sodium hydroxide solution results in higher compressive strength.

• Higher the ratio of sodium silicate solution to sodium hydroxide solution ratio by mass, higher is the compressive strength of the geopolymer concrete.

• The addition of naphthalene sulphonate based super plasticizer, up to approximately 4% of fly ash by mass, improves the workability of the fresh geopolymer concrete.

• The slump value of the fresh geopolymer concrete increases when the water content of the mixture increases.

Geopolymer Concrete - Protection to Environment

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Tech TalkTech TalkTech Talk

Formwork: Formwork has been in use since the beginning of concrete construction. Formwork or Forms or Shuttering are the moulds into which concrete are poured so that it takes the desired shape when hardened.New materials such as Steel, plastic and fibreglass are used in formwork .Greater attention is being given to the design, fabrication, erection and dismantling of formwork. It should be capable of carrying all loads such as dead load, live loads during construction.

Requirement of Good Formwork:

• It should be hard enough to withstand all types of dead & live loads during construction.

• Joints should be tight (No Leakage of Cement Grout).• As light as possible.• Material of formwork should be cheap, easily available and

should be reused.

Economy in Formwork:

• Formwork involves 25%-30% of the cost of structure or even more.

• It can be minimised by reuse, minimum sawing & cutting of formwork

• Perfect, economical design

Formwork Classification

Based on material:• Timber Formwork.• Plywood Formwork.• Steel formwork.

Based on working:• Jump form (for High rise tower, power plant cooling tower) • Slip form (for construction of chimney, silo, water tank etc.)

Design Aspects of Formwork:

For the design of formwork, we have to consider following forces such as -

• Dead load (its own weight).• Live load due to labour/other man force.• Impact load due to pouring of concrete.• Vibration load due to vibrators.• Hydrostatic pressure of the concrete.(which depend on

quantity of water, rate of pouring of concrete, water/cement ratio)

Formwork failures:

Some common causes of form failures-

• Excessive rate of pour.• Improper vibration.• Ties not placed properly.• Failure to brace.• Mix design not taken into account.• Lack of inspection by qualified personnel.

Form work - What to check?

• Free from defects• No gaps at joints• Adequate supporting arrangements, bracing and ties• Cross sectional dimension as per drawing• Verticality and level

Duration taken for removal of formwork:

Wall, column and vertical sides of beams = 1 to 2 daysSlab up to 4.5mtr = 7 daysSlab over 4.5mtr = 14 days

Importance of Formwork in order to guarantee a safe and sound Building Construction

Construction of chimney (275mtr) by using SLIP FORM.

Conclusion:

Formwork is generally very expensive. On an average, about 35% of the total cost of any finished concrete unit or element can be attributed to its formwork. So we must not only consider the maximum number of times that any form can be reused but also produce a design that will minimize the time taken for erection and striking.

The task of housing/construction due to rising population of the country has gone up. Generally construction firms are a conservative lot, they have been slow in adopting innovation and change. The need of the hour is to analyses the depth of the problem and find an effective solution. Good quality construction will never deter the project speed nor will it be un-economical. Infact, time consuming repairs and modification due to poor quality work generally delays the job and causes additional financial pressure on the project.

Mr. Rakesh Kumar Singh CTS, Delhi

Construction of Cooling Tower by using JUMP FORM

Chapcon - 2014, Kolkata19th - 20th December, 2014

Executives Present: Mr. Anirban Chakraborty (CTS)

Building Material Exhibition27th Feb. - 1st March, 2015Executives Present:Mr. Rameshwar Singh (CTS)

Tamil Nadu Construction Engineers & Contractor's Association Technical Seminar

22nd February 2015Executives Present:

Mr. Arunachalam, Mr. R. Ramesh (CTS)

World of Concrete India, Hitex, Hyderabad 2nd - 4th March 2015Executives Present:

Mr. V.B. Nijampure, D. Sai Samba Siva Rao (CTS)Mr. P. Suman Kumar, Mr. V. Kalyan &

Mr. B. Varaprasad (Marketing)

ExhibitionsWe participate in exhibitions held at national and state level, to showcase our products. Not only does it help in enhancing the brand visibility but also helps us in interacting with specifiers and customers.

Exhibitions

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The Visionary Speaks In conversation with Mr. Ashwani Pahuja

Q1) With many new technological breakthroughs in cement manufacturing techniques, what are some of the prospective types of cement that are likely to become popular in the near future in India?

Q2) In what way does the use of newer types of cement contribute to sustainable development?

Q3) What have been some of the trends in manufacturingof OPC and blended cement in India in past onedecade?

Cement industry in India has made tremendous strides in technological upgradation and assimilation of latest technology. Continuous modernization/technology upgradation is taking place with state-of-the-art technology being pursued by Indian cement industry to achieve improved productivity, energy efficiency and environment and quality standards.

Some of the new prospective cement types likely to become popular in near future include composite cements, Portland limestone cements and geopolymeric cements. Composite cements are blended cements produced by using a combination of two blending components, like both fly ash and slag. Portland limestone cements have limestone interground with clinker and gypsum. Geopolymeric cements, which are non Portland cements and are currently under development, have special properties such as high abrasion, thermal and acid resistance and can be useful for specific applications.

The newer types of cements having lower clinker factor can be helpful in reduction of thermal energy consumption per ton of cement, in lowering the CO 2

emission associated with cement manufacture as well as in conservation of limestone and fossil fuels. These will also be helpful in enhancing the utilization of waste materials such as fly ash and lower grades of limestone. Geopolymeric cements will be helpful in both conservation of limestone and utilization of fly ash along with boosting green construction.

The cement industry in India over the last decade has seen a large increase in the production of cement as well as in the production of blended cements as a percentage of total cement production. The production of blended cements has touched a figure of 70% of the total cement

Mr. Ashwani Pahuja – Director General, National Council for Cement and Building Materials has a rich experience of over 36 years with NCCBM in the areas of Research & Development and Technical Support Services to Cement Industry. A M.E. (Chemical Engg) from Punjab University, he has to his credit, 67 papers in national and international journals and seminars. He is the author of a chapter on 'Energy Auditing and monitoring in

cement plants' in the book 'Progress in Cement and Concrete' (Vol 2). He is the Chairman, CPCB Standing Committee & National Task Force for Cement Industries. Also, he is a member on the board of various committees

like Standing Committee for Innovative Building Material and Technology (BMTPC), Technical Committee, Cement Manufacturers' Association, Research Council of CSIR-CRRI.

production in recent years. This figure was as low as 26% of the total cement production in 2000-2001.

Fly ash and slag based cements provide improved performance and durability characteristics to concrete in most applications. Their use generally leads to increased workability, pumpability and ease of placing of concrete mixes. The reduced heat of hydration attained with these cements reduces the risk of thermal cracking in concrete. These cements also provide greater corrosion resistance as well as enhanced sulphate resistance of concrete.

The significance of testing and quality control lies in ensuring the consistency of the quality of blended cements. To achieve this end it is important to follow the required testing and quality control procedures both at the clinker and cement manufacturing stages as well as to ensure consistent quality of the blending constituent (fly ash or granulated blast furnace slag conforming to Indian standard specifications). NCB caters to the needs of cement industry in this area by developing and supplying various types of certified reference materials as well as by providing testing and calibration services to the industry.

Q4) What are some of the durability and performance characteristics of fly ash and slag based cement?

Q5) What is the significance of testing and quality control in the manufacturing of blended cement in India?

Mr. Ashwani Pahuja at an International Seminar organised by NCCBM

increasing its content in Portland pozzolana cement (PPC) to more than 35%, the present maximum limit as per Indian Standard specifications. Blended cement types like composite cements and Portland limestone cements, already in use in European countries, are yet to be adopted and produced in India. Their production would provide newer avenues for waste utilization. Investigations conducted at NCB have shown that industrial wastes such as lead-zinc slag, copper slag, steel slag and spent catalyst from oil refineries (E-catalyst) have good prospects of being used as raw materials as well as performance improver in cement manufacture.

Construction industry is one of the major contributors to India's GDP. The construction industry in India has seen sustained demand from the industrial, infrastructure and real estate sector. Present levels of urban infrastructure are inadequate to meet the demands of the existing urban population. The Indian construction industry is poised for rapid growth on account of industrialization, urbanization and people's rising expectations for improved quality of living.

Q9) What in your opinion is the future of the construction industry in the years to come?

Q6) What have been the technological up-gradation through research in Indian cement industry?

Q7) What is the scope for utilization of low-grade raw materials and alternate fuels in the manufacturing of cement in India?

Q8) How according to you can industrial wastes be used in cement manufacturing in India?

Technological up-gradation through research and assimilation of latest technology in Indian cement industry has resulted in substantial reduction in thermal and electrical energy consumption. Cement plants have gone in for waste heat recovery and use of alternate fuels and raw materials (AFR), thereby conserving fossil fuel and bringing down CO emission. 2

The R&D efforts in the recent past have been directed towards reducing clinker factor in cement, developing newer types of cements and enhancing utilization of low grade and waste materials in cement manufacture. These efforts have also resulted in enhanced productivity in cement manufacture as well as in improved quality of cements, particularly manufacture of high quality blended cements.

The utilization of alternate fuels in Indian cement industry is still at very low levels; the country's average stands at less than 1% of thermal substitution rate (TSR) compared to average TSR of about 40% in European cement plants. There is huge potential for further enhancing the utilization of alternate fuels. Consistent efforts are being made both by the cement industry as well as by NCB in this direction. Low grade raw materials can be used after beneficiation. NCB has conducted studies on beneficiation of low grade limestone. NCB is also taking up investigations on utilization of low grade limestone as a performance improver in cement.

Indian Cement Industry is already a major consumer of various industrial wastes including fly ash, granulated BF Slag, phospho-gypsum, petcoke etc. However, there is scope for further enhancing fly ash consumption by

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18

Big IdeasWinning Entry

Most of the people in rural India are dependent on agriculture, labour work, handmade items etc. For the last 30-35 years there has been a trend of migrating towards urban areas. Because of water scarcity and change in the environment, the agricultural produce is getting hit. The agricultural employment has fallen and the contribution to the gross national product of the agricultural sector has measurably decreased. This will have an adverse impact on rural areas. With increase in awareness, standard of education and change in the people's mindset and lifestyle, people in rural areas have started moving to metros. In the recent times, migration inland from the rural areas to the towns has strengthened.

A lot of changes have been observed in rural areas in the recent times. Let me quote an example of a village where the population is around 2000. In the village, every house has cooking gas connection. TV, mobiles, two wheeler and have children who are well educated, local primary school with computers, white boards with markers etc. With this, we can see the impact of urbanisation. The girl child has access to higher education in towns, whereas the situation was entirely different some 15-20 years back.

The concept of City Culture is spreading fast in Rural Areas. This can be seen in the development of infrastructure like roads, water facilities, increased awareness of new facilities and moreover the desire to develop and adapt like urban people.

The farmers used to work in the field. Because people are now migrating to towns/cities, they are mostly dependent on the tractors and other field equipments. Most of the farmers aspire to send their children to cities for higher education. In recent times, the results of board examination and competitive exams reflect that the students in rural areas have been performing at

par with those in the urban areas.

A small village with a population of 2000-2500, used to be totally pro-agriculture. The next generation has access to good quality education, internet and communication facilities which has encouraged them to think beyond agriculture.

In rural areas, people depend mainly on agriculture for their livelihood and agriculture depends heavily on monsoon. During droughts or natural calamities, rural people have to migrate to cities. The lifestyle in urban areas attracts people to shift to towns for better infrastructure, effective communication and medical facilities etc.

Of the 120 crore Indians, more than 83 crore live in rural areas while 38 crore stay in urban areas, said the Census of India's 2011 Provisional Population Totals of Rural-Urban Distribution in the country, which was released by Union ministry.

It is an interesting aspect that not only cities are growing in number but rural community is adopting urban culture, no longer are the rural communities retaining their unique rural culture. Rural people are following the material culture of urban people. The transformation can be observed in the literacy rate in rural areas, dressing habits, technology usage, development of women, communication (Mobile, laptop etc.), increase in Banks, ATMs and Post Offices etc. Only few villages situated close to the cities have transformed.

The Union Government's steps towards 'Pradhaan Mantri Adarsh Gram Yojana' and 'Swachha Bharat Andolan' initiative will boost the development of villages, which will give rural India a boom to grow.

Mr. Veerendra NijampureCTS, Hyderabad

Winners

Urbanisation In Rural Areas

1st Runner UpMr. Rameshwar Singh

CTS, Patna

2nd Runner UpMr. Sanjay Kumar Chatterjee

CTS, Kolkata

Mr. P.S. Punneshetty - CTS, Bengaluru

Mr. S. Santosh Kumar - CTS, Bengaluru

Other Participants

Program at Krishnanagar, NadiaExecutives Present:

Mr. Anirban Chakraborty (CTS)Mr. Avik Saha (Marketing)

Mr. Raju Dutta (Applicator)

Program at KavaliExecutives Present:Mr. A. Venkateswarlu (CTS)Mr. Umashankar. V (Marketing)

Painter’s Technical Workshop

PTWPainters’ Technical Workshop is conducted to develop specialised application awareness amongst painters about J.K. Wall Putty, Cement Paint & White Washing with White Cement application.

Program at BengaluruExecutives Present:

Mr. P.S. Punneshetty (CTS)Mr. Srinivas (Marketing)

SST is organised to impart techno commercial skills to the participants by educating them on Technical & Marketing facts about our Products,

Literature, Packaging and Trade Policies to enable them to deal confidently with the customers.

Stockist Salesman Training ProgrammeSST

Program at PorbandarExecutives Present:

Mr. H.K. Vachhani (CTS)Mr. Manish Trivedi (Markting)M/s. Deep Enterprise (Dealer)

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Program at RaipurExecutives Present :

Mr. Rajesh Kumar Tandon (CTS), Mr. Manoj Singh (Marketing)M/s. Shree Ramdev Paints (Retailer) Mr. Budhdeo Singh (SSA)

Program at KurnoolExecutives Present :

Mr. A. Venkateswarlu (CTS)Mr. Lokesh (SSA)

Program at DhuleExecutives Present:

Mr. Vijay N. Khadse (CTS)Mr. D.S. Kamble (Marketing)

Program at West DelhiExecutive Present : Mr. Rakesh Kumar Singh (CTS)Mr. Ziaulabsar, Mr. Neeraj Singh (Area Manager)Mr. Abishek Pathak (Marketing)

Counter Service MeetThis activity is oragnised at a stockist’s counter to increase brand

awareness and to respond to all sales & technical related problems faced by consumers during construction activities.

CSM

Program at HyderabadExecutives Present:

Mr. D. Sai Samba Siva Rao (CTS)Mr. V. Pavan Kumar (Marketing)

Program at UnjhaExecutives Present :

Mr. Pulin Mistry (CTS)Mr. Jaydeep Joshi (Marketing)

Program at BarauniExecutives Present:

Mr. Raj Bihari Pankaj (CTS)Mr. Nishikant Kumar (Marketing)

Program at BalasoreExecutives Present:Mr. Pradeep Kumar Barik (CTS)Mr. Udayanarayan Das (SSA)

M a r c h - 2 0 1 5

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Structural Stability of High Rise Buildings

In the recent years we have come across many High Rise Buildings (HRB) in India Particularly in Tier-1 & Tier-2 cities. We summarize the HRB as - A multi-story structure where occupants depend upon Elevators / Lifts / Escalators etc. to reach their destinations and the building extends higher than the reach of available fire fighting equipments.

In India – This has been set at 18 m (6 floors) & above

In other countries – This has been set at 23 m to 30 m

HRB – forces acting on its stability

• lateral forces (wind or earthquake effects) increase dramatically in magnitude with the height of the building and tall buildings interact with winds in unpredictable ways

• result of the lateral forces on the HRB will be a) Slide on its base b) Twist on its axis c) Oscillate uncontrollably d) Bend excessively

Cause of impact of lateral forces on High Rise Buildings:

• A building has different components or discrete masses

• Each part will move differently under the effect of lateral forces such as wind or earthquake

• Each part interacts in adverse ways under dynamic conditions

• The loads will trigger uncontrollable building motions and generate excessive stresses in the structural elements

Key to stability of high rise buildings:

A resistance to the lateral forces by proper design of the structure

• Preliminary design to consider the influence of wind & earthquake.

• To avoid sites with potential for unpredictable wind effects.

• To choose a building configuration that ensures structural safety & stability.

• To choose symmetrical configurations.

• To avoid asymmetrical configurations such as L-shape, T-shape, offsets to main building, etc. Prone to act in adverse ways, which cause torsion effect during earthquakes.

• To design the structure to absorb the differential movements between different components of the building.

• Discrete building masses to be made structurally independent.

• Inherently unstable building masses to be avoided.

• The lateral support system to be given greater prominence within the design.

• Lateral force – Resisting structures, viz., Shear walls, Braced frames and rigid frames to be more closely spaced or increase the horizontal extent.

• Structural elements to become heavier.

• Additional stabilizing elements may be required.

• Discontinuities in the stiffness of structure at different levels to be avoided. For ex., large span open space at the base of a building can produce excessive flexibility or weakness at that level.

• Such a 'soft storey' is to be avoided by providing adequate vertical & lateral supports at that level.

• Structural design based on standard softwares like STAADPRO, ETABS, STRAP etc. for proper modeling and assignment of loads and analysis.

• Guidelines (IS Codes) to be followed.

Mr. V B Nijampure

CTS, Hyderabad

Tech TalkTech TalkTech Talk

Tech Talk

Consumers believe that dark colour, low setting time, slow hardening time, higher fineness and high specific volume are the main attributes of good quality cement.

Dark Colour: Black colour cement is believed to be good cement. There are different reasons for different people to believe so. The consumer thinks that the darker the concrete the more cement the contractor has used in it and feels assured about the quality of concrete.

Myths about Quality of Cement

The contractor thinks he can reduce the cement content in concrete if it is darker and it will not raise any suspicion in the mind of the customer. The producer feels the consumer is fooled into buying his cement because of its dark colour.

Artificial colouring agents like rice husk, ash, cinder ash etc. are added to cement to create darker colour. What the consumer fails to note is that the dark colour for cement is artificial and that colour has nothing to do with the cement quality.

On the other hand, the colouring agents mixed with cement can affect the cement quality. Even the colouring agents in cement itself like iron oxide won't help in strength development.

Low setting time: Low setting time is believed to be another attribute of good quality cement. The consumer believes that lower setting time is better for cement. Actually high time is beneficial to the user as he gets enough time to mix and pour concrete.

Quick setting cement will allow very less time for mixing and pouring concrete. It would impair the workability of the concrete mix and affect concrete quality if there is a delay in pouring concrete. What the user actually means by setting time is hardening time. Actually the consumer wants rapid hardening time.

Low hardening time: Is it suitable rapid hardening cement for ordinary building construction? Rapid hardening cement is rich in lime and evolves high heat of hydration when mixed with water, it will causing micro cracks in concrete. The durability of concrete will be affected by these micro cracks.

Secondly the precious high grade limestone reserves of earth would use in fast in making high early strength cement. High grade limestone emits more CO to the 2

atmosphere and consumes more heat energy during burning in the kiln to produce cement clinker.

Higher fineness: The consumer believes that finer cement is better for strength development, and the surface finish of the concrete. There is no doubt that the fine ground cement gives good early strength, but its strength development at a later stage may not be appreciable.

Some producers grind the cement very fine to cover up for the poor quality of their clinker. The consumer is fooled into buying this cement because of his choice for the goods early strength for many years for better durability. After quickly attaining full strength in short time the concrete made with fine cement would be prone to deterioration in later years. Considerable electrical energy is wasted in grinding the cement finer to achieve no appreciable benefits.

High Specific volume: The costumer sees bigger bags of cement in some brands compared to others.

So he thinks that he gets more cement in those brands. It is another deception. High volume of cement is the result of fine grinding, the volume of cement is more but the weight is same in comparison with other brands. If he had the cement by volume to the concrete mix, he is fooled into making low cement –content concrete, which will have poor strength.

Because of lack of knowledge, consumers choose inferior quality cement and producers also incur extra expenditure, in manufacturing such cement.

In this regard consumers have to be encouraged to use blended cement, which produces more durable concrete, conserves limestone reserves, consumes less energy and emits less CO to the atmosphere during manufacturing.2

Blended cement would have lighter colour, longer setting time and longer hardening time. But consumers should not mind the little longer time taken in constructing their dream house with the use of blended cement for the sake of its durability, even beyond the next generation.

Mr. Jovin K Jayakumar

CTS, Calicut

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Tech Talk

Assessing risk of working at height

What we need to do

The law requires that employers and self-employed contractors assess the risk from work at height and go on to organize and plan the work so it is carried out safely.

Try avoiding work at height, if we can. We must otherwise prevent or arrest a fall and injury if work at height is necessary.

Instruct and train our workforce in the precautions needed. Method statements are widely used in the construction industry to help manage the work and communicate what is required to all those involved.

Key issues for all work at height are:

• Risk assessment

• Precautions required

• Method statements

Work at height is the biggest single cause of fatal and serious injury in the construction industry, particularly on smaller projects.

Over 60% of deaths during work at height involve falls:

• From ladders, scaffolds, working platforms and roof edges; and

• Through fragile roofs or roof lights.

Risk assessment

Employers and self-employed contractors must:

• Assess the risks;

• Decide on the precautions required;

• Record the significant findings; and

• Review the assessment as necessary.

Do not over complicate the process. For many firms your work at height risks will be well known and the necessary control measures easy to apply.

Follow the HSE controlling the risks in the workplace

Precautions required

The law on work at height requires that we take account of our risk assessment in organizing and planning work and identifying the precautions required.

Our objective is to make sure work at height is properly planned, supervised and carried out in a safe manner.

The approaches we can adopt for work at height are to:

• Avoid work at height where it is reasonably practical to do so, e.g. by assembly at ground level.

• Prevent any person falling a distance liable to cause personal injury e.g. by using a scaffold platform with double guard-rail and toe boards; and

• Arrest a fall with equipment to minimize the distance and consequences of a fall, e.g. safety nets, where work at height cannot be avoided or the fall prevented.

Method statements

A method statement is a useful way of recording the hazards involved in specific work at height tasks and communicating the risk and precautions required to all those involved in the work. The statement need be no longer than necessary to achieve these objectives effectively.

Equipment needed for safe working should be clearly identified and available before work starts. Workers should know what to do if the work method needs to be changed.

Mr. R.B. PankajCTS, Patna

Safety Guidelines for Working at Height

Civil Engineering & Architecture Students' Awareness ProgrammeLectures & exhibitions are conducted for Civil Engineering students on cement, its applications & technical problems encountered in construction to enable them to appreciate field situation. Similar lectures and exhibitions are also organized for students of Architecture emphasizing on special skills needed to do such architectural jobs which would be beneficial in their work later.

CSA/ASA

Program at Walchand College of Engineering SangliMr. Nitant Shah, Mr. Swapnil Mene (CTS)

Mr. Mehboob Sayyad, Mr. Rhuthuraj Mane (DMO)

Program at S.K. Engineering College, VisnagarExecutives Present:

Mr. Manoj Kulshrestha & Mr. Pulin Mistry (CTS)Mr. Lokesh Thakkar, Mr. Jaydeep Joshi &

Mr. Narendra Rohella (Marketing)Mr. Y.S. Patel (HOD-Civil)

Program at Guru Nanak Institute of TechnologyIbrahimpatnam, HyderabadExecutives Present:Mr. V.B. NijampureMr. D.Sai Samba Siva Rao (CTS)

Program at Nitte Meenakshi College, BengaluruMr. P.S. Punneshetty, Mr. Santosh (CTS)

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Trained & experienced application Engineers/ Supervisors/ Masons/ Painters demonstrate specialised applications of our products to

customers during this activity.

DOADemonstration of Application

Program at Tolygaunge, KolkataExecutives Present: Mr. Anirban Chakraborty (CTS) Mr. Raju Dutta (Applicator)

Program at Pushp Vihar, DelhiExecutives Present :

Mr. Mukul Shukla (CTS)Mr. Aditya Raina (Marketing)

Mr. Rahim (Applicator)

Program at Vishnavi Builders, VijayawadaExecutive Present :

Mr. S. Rehman Raja (CTS)

Program at KurnoolExecutives Present :

Mr. A. Venkateswarlu (CTS)Mr. Lokesh (Marketing)

Shortcoming of today's concrete

Cementitious concrete has portland cement as the principal binder. There are two types of cement- OPC & PPC/ PSC commonly used. The concrete structures prior to 1970-75 were taken for granted for its strength, rigidity and durability but recent construction in concrete ware shows sign of distress. The corrosion of rebars, inside the concrete is the main cause of deterioration and distress. The situation is further exaggerated when epoxy coated steel bars; quick setting cement, fine cement and high percentage of water soluble alkalis are present in the structure.

It is now conclusive that the formation of Ca(OH) is not a 2 weakness always, but its credibility to keep an alkalinity

Tech Talk

around the bars up to certain limit and its ability to discourage the carbonation and prevent the structure from corrosion and make it more durable.

Recent research shows high percentage of water soluble alkalis in cement. It enhances the hydration reaction to reach early strength but in process due to high heat of hydration leads to thermal stress. It also means higher slump loss, more water requirement, increase in air content & above all greater permeability, early strength but inadequate ultimate strength.

The higher C S/C S ratio in cement leads to again early 3 2

strength but susceptible to cracks. The hydration of C S is 2

more beneficiary in preventing the corrosive entities. This high ratio is poor in long term performance of concrete.

The moist curing of concrete has gone down from 28 days to as little as 7-10 days. The lab test shows strength after 28 days but in practice it is otherwise which is inadequate for full hydration. The concrete will lack sufficient Ca(OH) and 2

it will be porous permeable leads to its under performance in long term.

Conclusively, it is ideal to give a surface application to each concrete surface which is a tall order or use a plasticizer which is a difficult task in India due to unskilled work force engaged in construction arena.

Mr. Mukul Shukla CTS, Delhi

M a r c h - 2 0 1 5

Dyna Pull Off TestThis test is conducted to verify the bond/adhesion strength of plastering carried out on concrete block masonry wall using Test method ASTM- D- 4541-85.

Initially core cutting is to be done to separate plaster(25 mm thickness) at Test region and later the Test Disc is fixed /glued to the plastering using quick setting adhesive (Araldite- klear(Super fast))

The Test disc is pulled after completion of setting time (minimum 24 hours) using Dyna Pull Off Test.

The bond failure between the plaster block and masonry

wall if not observed, indicates that bond strength between plaster and wall is satisfactory.

The minimum Tensile strength of Mortar required as per IS 21905 Clause 5.4.2 is specified as 0.14 N/mm .

(As informed by Shobha Developers, we conducted this th th Test at Shobha City Project in Bengaluru on 11 and 12

Apr-2014 through Civil Aid Techno Clinic Lab)

Mr. P.S. PunneshettyCTS, Bengaluru

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Tech Talk

Plastic Shrinkage:

• The fresh concrete should be protected from direct sunrays and strong winds for at least 24 hours.

• Where feasible, carry out the concreting works during early hours of the day.

• Avoid use of warm water and warm aggregates in order to keep the temperature of fresh concrete low.

• Dampen the sub grade and formwork, ensuring that any excess water is removed prior to placing concrete.

• Keep the aggregates under shade. In hot weather, lower the temperature of the fresh concrete by using chilled mixing water or replacing some of this water with crushed ice.

• The concrete should be placed and finished fast.

• Cover the freshly placed concrete with tarpaulins or plastic sheet to prevent evaporation of bleed water.

• Start curing as soon as possible after placing of concrete.

• The use of sufficient proportions of synthetic or steel fibers in concrete can provide improved control of plastic cracking.

Prevention of Shrinkage Cracks

• Fully compact the concrete.

• Cure the concrete promptly and properly.

Drying Shrinkage:

• Use minimum water content. To compensate for the reduction in workability, plasticizers can be used.

• Use the highest possible aggregate content and largest possible maximum aggregate size.

• Use concrete with workability as low as is compatible with ease of placing and achieving full compaction.

• Do not use admixtures.

• Provide adequate and early curing to exposed surfaces, particularly on large flat areas.

• Eliminate external restraints as much as possible, particularly by providing movement joints wherever applicable.

• Provide reinforcement steel at closer spacing (generally 15cm in slabs) in order to control crack width.

Autogenous Shrinkage

• Consider a higher content of supplementary cementitious material like Fly ash and Ground Granulated Blastfurnace Slag (GGBS) in the concrete mix

• Keep the surface of the concrete continuously wet; conventional curing by sealing the surface to prevent evaporation is not enough and water curing is essential.

• Consider addition of shrinkage-reducing admixtures more commonly used to control drying shrinkage,

Crazing

• Start curing the concrete as soon as possible. The surface should be kept wet by either flooding with water or covering with wet burlap and keeping moist for a minimum of 3 days.

• Use of moderate slump (75mm to 125mm), air-entrained concrete. Higher slump (up to 150 to 180mm) can be used, provided the mixture is designed to produce the required strength without excessive bleeding and segregation.

• Air entrainment helps to reduce the rate of bleeding of fresh concrete and thereby reduces the chance of crazing.

• Never sprinkle or trowel dry cement or a mixture of cement or add fine sand into the surface of the plastic concrete to absorb bleed water.

Mr. Abburi Venkateshwarlu CTS, Tirupati

Plastic Settlement:

• Use mixes with lower bleeding characteristics e.g., lower slump and more cohesive mixes.

• Wet the sub grade before placing concrete to avoid excessive water loss from the base of the concrete.

• Increase the ratio of cover to reinforcing bar diameter, i.e., by increasing the cover or decreasing the size of the bars.

• Reduce obstruction to settlement.

• Avoiding the use of retarding admixtures is sometimes suggested as a way of minimizing plastic settlement cracking.

• Set all formwork accurately and rigidly so that it will not move during concrete placement.

• Place concrete in deep sections first (including columns) and let it settle prior to placing and compacting the top layers.

MARKETING EXECUTIVES(GREY CEMENT - NORTH)

Mr. Deepak Mehra - President (Grey Cement Marketing), Delhi, E-mail : deepak.mehra@jkcement.com; Mobile : 9717797774

29For any corrections in above, please write to cts.delhi@jkcement.com At your service : 1800 102 8868

M a r c h - 2 0 1 5

HEAD - KEY PROJECTS - PAN INDIADelhi Mr. Sandeep Puri 9818661262

DELHI

REGIONAL HEADDelhi Mr. Rahul Kr. Singh 9871495638

UTTAR PRADESH

ZONAL HEAD DELHI & UPGhaziabad Mr. Narinder Dutta 9810475015

PUNJAB

REGIONAL HEAD

Chandigarh Mr. J.P. Tewari 8146658456

Delhi Mr. Surendra Gupta 9871495647

Delhi Mr. Bharat Barara 9910444610

Delhi Mr. Bhuwanesh Singh 9717364009

Delhi Mr. Ritesh Rai 9015415439

Delhi Mr. Kuldeep Kumar 9990129646

Delhi Mr. Rahul Gupta 9873607805

Delhi Mr. Jaideep Bajaj 8527653338

Delhi Mr. Vimal Kapoor 9871070863

Delhi Mr. Faizan Qadeer 9654920016

Delhi Mr. Vipin Kumar 9899131965

Delhi Mr. Syed Akhlakh 9990016961

Ghaziabad Mr. N.C. Shukla 9810380860

Ghaziabad Mr. Shyamji Pandey 8527613338

Ghaziabad Mr. Amit Kaktwan 8527573338

Ghaziabad Mr. Manish Rastogi 8527513338

Ghaziabad Mr. Sanjeev Yadav 8527983338

Ghaziabad Mr. Pankaj Kumar 8527423338

Ghaziabad Mr. Tarun Singh 9560052184

Ghaziabad Mr.Yadupat Sharma 9871008561

Bulandshahar Mr. Balram Nehra 9695077357

Noida Mr. R.S. Tiwari 8527523338

Greater Noida Mr. Maneesh Kr. Sah 9871225617

Meerut Mr. K. Vaidyanathan 9794861629

Meerut Mr. Prabhat Gupta 9794861627

Muzaffarnagar Mr. Sparsh Kumar 9794456663

Saharanpur Mr. Manoj Badola 9794861597

Saharanpur Mr. varun Arora 9794861596

Agra Mr. Avnish kumar 9794861625

Agra Mr. Vikas Gupta 9695401798

Kasganj Mr. Mohit Sharma 9794861626

Mathura Mr. M.P. Singh 9794861630

Aligarh Mr. Shailendra Pandey 9794861628

Aligarh Mr. Chandra Lal Tiwari 9695401747

Roorkee Mr. P.N. Pathak 9695103338

Chandigarh Mr. H.D. Sharma 9878429504

Chandigarh Mr. Sanjiv Trikha 9878429506

Mohali Mr. Ashok Singh 9878429507

Khanna Mr. Sucha Singh 8427666066

Nawanshahr Mr. Alok Kumar Buxi 9878424324

Jalandhar Mr. Rohitash Bhatt 9878429505

Nawanshahr Mr. Sahil Mahajan 8288067294

Bhatinda Mr. Gopal Krishan 9878429503

Bhatinda Mr. Pawan Kumar 8146568854

Ludhiana Mr. Jatindet Sidhu 8427699831

Hoshiapur Mr. Rajesh Sharma 8427699830

Abohar Mr. Sourav Sharma 8427699832

Patiala Mr. Tarshem Lal 8146521977Sharma

HARYANA

ZONAL HEAD - Haryana & PunjabGurgaon Mr. Shailendra Arora 8146658456

REGIONAL HEADGurgaon Mr. Subroto Ganguli 9810323088

GUJARAT

REGIONAL HEADAhemedabad Mr. Rajkumar Shah 9909701001

MADHYA PRADESH

REGIONAL HEADIndore Pankaj Kumar Gupta 8889998201

Gurgaon Mr. Anil Goel 9810055416

Gurgaon Mr. Surendra Gupta 9871495647

Gurgaon Mr. Dheeraj Sharma 9650133336

Gurgaon Mr. Neeraj Banka 9871555762

Gurgaon Mr. Jatin Goel 9560052480

Faridabad Mr. B.D. Mishra 9871699653

Palwal Mr. Gopal Krashna 8295377559

Rewari Mr. Dinesh Kumar 9896419435

Nuh Mr. Deepak Mishra 9729548974

Karnal Mr. Pravir Jaiswal 9996019435

Karnal Mr. D.K. Saini 9215560700

Panipat Mr. Sunil Bhuker 8295198584

Kurukshetra Mr. Raj Singh 9729548971

Kurukshetra Mr. Nishant Gaurav 8295198593

Ambala Mr. Anand Mishra 9729548977

Yamunanagar Mr. Ankit Shukla 9729548975

Rohtak Mr. S.K. Kulshrestha 9896419438

Rohtak Mr. Atul Dwivedi 9729548972

Jhajjar Mr. Karambeer Singh 8295198592

Sonepat Mr. Piyush Srivastava 9896419436

Hissar Mr. Kamal Srivastava 9896419439

Hissar Mr. Manoj Mehta 8295688554

Fatehabad Mr. Sunil Kr. Bishnoi 8295477557

Sirsa Mr. Vikas Kr. Rana 8295198579

Jind Mr. Shreya Nath Jha 9729548973

Kaithal Mr. Mehraj Ahmed 9729500435

Bhiwani Mr. Varun Yadav 9729548976

Gurgaon Mr. Abhishek Dubey 9650212226

Dahod Mr. Malkesh Patel 8511112852

Ahmedabad Mr. Chintan Jain 8511195810

Himmat Nagar Mr. S.C. Shukla 8511112854

Baroda Mr. B.D. Sharma 8511112853

Baroda Mr. Maulik Shah 8511112861

Baroda Mr. Arpit Shah 8511112859

Kheda/Anand Mr. Lokesh 8511112858Hotchanadani

Ahmedabad Mr. Gaurang Bhatt 8511112860

Mehsana Mr. Lokesh Thakkar 8511195809

Ahmedabad Mr. Kartikey Vyas 8511112851

Ahmedabad Mr. Chirag Veradiya 8511112855

Indore Mr. Anurag Upadhyay 8889998202

Indore Mr. Anshul Rai 8889998218

Indore Mr. Shashank Tripathi 8889998222

Neemuch Mr. Ratnadeep 7898301489Bhatnagar

Indore Mr. Tarun Maheshwari 7898301481

Indore Mr. Ashwinee Mishra 7898301485

Indore Mr. Rajeev Garg 8889998210

Ratlam Mr. Sanjesh Mahto 8889998204

Ratlam Mr. Rahul Sharma 8889998206

Ujjain Mr. Navneet Shrimal 8889998207

Dhar Mr. Shirish Verma 8889998211

Bhopal Mr. Manoj Sharma 7898301482

Bhopal Mr. Rahul Pratap 7898301483Singh

Bhopal Mr. Devendra Singh 7898301486Thakur

Khandwa Mr. Manish Pandey 7898301487

Dewas Mr. Akshay Bajaj 7898301488

Jaipur Mr. Sandeep Verma 8003994498

Jaipur Mr. Vijay Jain 9001183710

Jaipur Mr. Arjit Agarwal 8003994497

Jaipur Mr. Sumit Shukla 8003994496

Jaipur Mr. Manoj Khandelwal 8003994495

Jaipur Mr. Gourav Mundra 8003994477

Jaipur Mr. Manoj Sharma 7733024347

Bhilwara Mr. Sudarshan Jain 8003994492

Bhilwara Mr. Vibhor Pandey 8003994486

Alwar Mr. Vineet Kumar Jain 8003994474

Sawai Mr. Shekh Nadeem 8003994490Madhopur

Karoli Mr. Vipin Pandey 9001181910

Bharatpur Mr. Lalit Singh Tomar 8003182510

Jhunjhunu Mr. Nitin Yadav 8290528125

Sikar Mr. Tarun Choudhary 8003994494

Kota Mr. Akash Deep Gupta 9799490063

Kota Mr. Dheeraj Sharma 8003994489

Bundi Mr. Rishi Patel 9799948780

Jhalawar Mr. Alok Dwivedi 8003690143

Ajmer Mr. Ahmad Rashid 8003994493

Tonk Mr. Ayush Jain 8003392613

Beawar Mr. Ganpat Sen 8003994487

Churu Mr. Ummed Singh 9460010001Chauhan

Dausa Mr. Mahaveer Singh 9571774473

Jodhpur Mr. Sunny Purohit 8290610860

Jodhpur Mr. Manish Agarwal 8003994491

Jodhpur Mr. Chirag Karanpuria 8003190950

Sri Mr. Parteek Bansal 8003994482Ganganagar

Hanumangarh Mr. Vinod Kr. Tak 8290629020

Bikaner Mr. Pramanshu Yadav 8003091275

Udaipur Mr. Devraj Indra 8003994485

Udaipur Mr. Rajmal Gaur 8003164170

Chittorgarh Mr. Vaibhav Sharma 9649619949

Chittorgarh Mr. Prabhat Misra 8003994484

Rajsamand Mr. Ravindra Shrimali 9799002850

Banswara Mr. Anil Bhatt 9571994488

Pali Mr. Amit Sachan 8003994462

Barmer Mr. Rajesh Trivedi 8003091515

RAJASTHAN - I

ZONAL HEAD - RAJASTHAN, MP & GUJARATJaipur Mr. Madhu Uttam 9785555543

RAJASTHAN - II

REGIONAL HEADJodhpur Mr. L.K.Gattani 8003994499

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MARKETING EXECUTIVES(GREY CEMENT - SOUTH)

Mr. R. Ganesh - Marketing Head (Grey Cement Marketing) ; E-mail: nrajen.ganesh@jkcement.com; Mobile: 8600930159Mr. Manish Bahuguna - Sales Head (Grey Cement Marketing); E-mail: manish.bahuguna@jkcement.com; Mobile: 9975875091

KERALA

Calicut Mr. Jitesh PU 9567693170

Calicut Mr. Binnie James Stephen 9567693172

Belgaum Mr. Dayanand Kalal 9972979477

Belgaum Mr. Babu bogar 8197048572

Bellary Mr. Sharan Basavraj Kori 9686501840

Bijapur Mr. Pavan Kumar Hebbal 8197048571

Chitradurga Mr. Eknath Sukumaran 7259017995

Hubli Mr. Arun S Patil 7022005614

Karwar Mr. Dharegoud Malagoud 7709901116

Koppal Mr. Vivek Bulkar 7022900587

Gulbarga Mr. Veera Reddy 8197048575

Yadgir Mr. Raga Shankar 7022260471

Raichur Mr. Mansoor Ali 9986443182

Raichur Mr. Goutam Prasad Shukla 9902577306

Bangalore Mr. Vinod Nair 9686502238

Bangalore Mr. Basalingayya Hiremath 9686501841

Bangalore Mr. Yogesh 9686502235

Bangalore Mr. Abhas Bhatia 9686501842

Bangalore Mr. Loy Ivil Dsouza 7022045856

Bangalore Mr. N. Nagendra 8971389377

Bangalore Mr. Naveen Kumar 9740111665

Bangalore Mr.Varun Jalan 7022260470

Chikmagalur Mr. H.Jawadullah 9686502233& Hassan

Mandya Mr. Pramod P S 9686502232

Mangalore Mr. Chetan. S.K 9900272596

Mangalore Mr. H L Nagaraja 9686501843

Shivamogga Mr. Kumar P T 9686502231

Tumkur Mr. Pavankumar kalal 9686502234

Udupi Mr. Guruprasad 7022045855

KARNATAKA

Pune Mr. Jugal Dubey 9503269998

Pune Mr. Prashant Upadhyay 7709000910

Pune Mr. Shailesh Shinde 8600192765

Pune Mr. Amol Lale 7755912447

Pune Mr. Niraj Kumar 8600310065

Pune Mr. Sumesh Nair 8600002269

Pune Mr. M V M Prasad 8600149978

Pune Mr. Sunil Dubey 8600023041

Pune Mr. Aniket Shegaonkar 9960658524

Pune Mr. Shalabh Jain 7387777315

Pune Mr. Saurabh Bedarkar 9970861113

Pune Mr. Ashish Singh Thakur 8600192576

Pune Mr. Ravindra Singh Bareth 8600016124

Ahmednagar Mr. Mantosh Pandey 7709152502

Ahmednagar Mr. Sadashiv Urkude 8600111747

Ahmednagar Mr. Mangesh Shinde 9762521171

Aurangabad Mr. Mainoddin Kazzi 7755917450

Aurangabad Mr. Ranjit Thaware 8600002261

Aurangabad Mr. Sunil Pagare 7709906668

Beed Mr. Sachin Gannuwar 8600024916

Jalna Mr. Divas Sohane 8600024907

Latur Mr. Ajay Hantodkar 8600081060

Osmanabad Mr. Sambhaji Hanumante 8600002286

Solapur Mr. Rajesh Deshpande 8600031561

Solapur Mr. Nishad Joshi 7755999734

Solapur Mr. Vivek Hajare 9503099455

Solapur Mr. Amit Mishra 7757020503

Kolhapur Mr. A Majid Bidiwale 8600002256

Kolhapur Mr. Jaywant Chandru Lokhande 9922932975

Kolhapur Mr. Rajendra Garade 8600002291

Kolhapur Mr. Milind Patil 8600002265

Kolhapur Mr. Ishan 9766731113

Mahad Mr. Nikhil Moghe 7387256434

Raigad Mr. Nikhil Gajbhiye 8600024912

Ratnagiri Mr. Shashipal Singh Pathania 9561105554

Ratnagiri Mr. Sandip Kadam 9970561113

Ratnagiri Mr. Gaurav Adesara 8600024902

Sangli Mr. Mehboob Abdul Sayyad 8600002252

Sangli Mr. Rhuturaj Arjun Mane 8600002258

Satara Mr. Deepak Singh Kayashap 9975854232

Satara Mr. Durgesh Kulkarni 9823013007

Sindhudrug Mr. Sagar Talwar 9970961113

MAHARASHTRA

GOA

Goa Mr. Milind Desai 9503086878

Goa Mr. Shaunit Savaradekar 7387363478

Goa Mr. Sachin Sawant 7028022878

For any corrections in above, please write to cts.delhi@jkcement.com At your service : 1800 102 8868

Central Marketing Office, Pune (Maharashtra)

J.K. WHITE CEMENT (For India & Nepal)

31

Delhi Mr. Z.A. Khan 9711307722

DELHIDelhi Mr. Anurag Sharma 9811673441West Delhi Mr. Zia-ul Absar 9810329427East Delhi Mr. Mukhtar Ahmad 9810495083

HARYANAGurgaon Mr. Ranjan Kr. Singh 9958995991Gurgaon Mr. Uttam Chandra 9810195083Ambala Mr. Arun Kr. Shukla 8295926010Faridabad Mr. Amit Kumar Giri 9810495082Rohtak Mr. Rakesh Kr. Tiwari 8295956925Karnal Mr. Ashish Murarka 8295956934Sonepat Mr. Shamsher Singh 8295956952

CHANDIGARHChandigarh Mr. D.D. Sharma 9780400548Una Mr. Daksh Kr. Sharma9805097881

JAMMU & KASHMIRJammu Mr. Ajay Koul 9596898672

PUNJABLudhiana Mr. Arvind Sidana 9878224117Jalandhar Mr. Prem Mohan 9876023902

GautamAmritsar Mr. Manjeet Kumar 9878429527Ludhiana Mr. Priyesh Sood 9878429528Ludhiana Mr. Himanshu 9878429539

UpadhyayBhatinda Mr. Jagmohan Mittal 9878429526Jalandhar Mr. Daljit Singh 9878429525Patiala Mr. Himanshu Porwal 9915579142

RAJASTHANJaipur Mr. Kamlesh Kumar 9983370700Udaipur Mr. Vikas Khokhawat 8003490636Kota Mr. Chandra Shekhar 8003490638

SahuJodhpur Mr. Manish Soni 8003490635Bikaner Mr. Sofin Panwar 8003490637Ajmer Mr. Madan Mohan 8003490640

BishnoiAlwar Mr. Yasser Hasan 8003490634

KhanJaipur Mr. Sandeep Pareek 8003490641Sri Ganganagar Mr. Gaurav Mathur 9799099854

UTTAR PRADESH / UTTARAKHANDGhaziabad Mr. Atul Chaturvedi 9873352170Agra Mr. Sandeep Sharma 9721451372Agra Mohd. Mushahid 9721451373Agra Mr. Vishal Kulshrestha9721451374Mathura Mr. Krishna Kant 9721451375

SaraswatGhaziabad Mr. Deepak Bhatt 9953204263Dehradun Mr. Rajesh Singh 9721451376Bareilly Mr. Sanjay Kr. Jha 9721451377Meerut Mr. Pushpak 9721451379

MaheshwariLucknow Mr. Puneet Agrawal 9721451392Lucknow Mr. Gaurav Dhawan 9721451382Lucknow Mr. Vipin Sharma 9721451384Lucknow Mr. Neeraj Awasthi 9721451385Lucknow Mr. Pradeep Kumar 9721451393Faizabad Mr. Vikas Dwivedi 9721451383Gorakhpur Mr. Hemant Misra 9721451386Kanpur Mr. Ramesh Chandra 9721451387

Verma

NORTH ZONEMr. Rakesh Gupta (Delhi) - 9873602817

CENTRAL ZONE Mr. Rajeev Kumar (Kanpur) - 9984488207

Pune Mr. Dheerendra Kr. 7387000845Pune Mr. Sanjay Jadhav 9822197404Nasik Mr. Shivraj Gaidhani 9850004862Aurangabad Mr Jagdish Erande 9561213314Kolhapur Mr. Jatin Bhise 9881138769Nagpur Mr. Mahendra Kr. 8600016105

OmreMumbai Mr. Sachin Ahire 8600014909Mumbai Mr. Amol Raste 8600014906Akola Mr. Rahul Tarar 8600016110

GOAGoa Mr. Purshottam 8600022652

Chatim

KARNATAKABangalore Mr. T. Bhaskar Reddy 7829244408Bangalore Mr. P. Sridhar 9916758552Gulbarga Mr. Yogesh Waghela 9916993965Bangalore Mr. Ravi Koulgi 9886056655Hubli Mr. Mahesh Dandoti 9886558550Mysore Mr. Jayachandra 9740908639Belgaum Mr. Sanket 9880204647

GUJARATAhmedabad Mr. Ashok Joshi 7043020700Surat Mr. M.S. Haque 9879556525Rajkot Mr. Bhargav Mehta 9879111524Jamnagar Mr. Manish Trivedi 9879111533Vadodara Mr. Amit Kr. Shukla 9879110518Gandhidham Mr. Nishant Thacker 9879111521Rajkot Mr. Narendra Rohella 9879111523Ahmedabad Mr. Jatin Kr. Singh 8511130475Bhavnagar Mr. Jigar Pandya 9574002396

ANDHRA PRADESHGuntur Mr. D Philip Sukumar 9966207100Guntur Mr. Uav Prasad 9963473362Tirupati Mr. Uma Shankar 9849035990Visakhapatnam Mr. K Giridhara Rao 9866314593

TELANGANAHyderabad Mr. T V Ramana Rao 9989584593Hyderabad Mr. K Baswaraj 9849647197Warangal Mr. V. Pavan Kumar 9866314591

KERALACochin Mr. Joby Varghese 9539009041Calicut Mr. Sreejith M. 9539009045

SekharKottayam Mr. Dintomon 9539009044Kannur Mr. Sudeesh 9539009258Trivandrum Mr. Sreekumar TP 9539009050Thrissur Mr. Suraj Surendran 9539009259

TAMIL NADUChennai Mr. V. Mahaadev 9176659638Madurai Mr. M. Baburaj 8939843413Pondicherry Mr. A. Jayaseelan 9176615930Trichy Mr. R. Subash 9176615934

Chandra BoseSalem Mr. L. Senthilvel 9176615932Coimbatore Mr. A.K. 9176615927

SathyanarayanaVellore Mr. K. Arunkumar 9176613302

WEST ZONE - 2Mr. Sunil P. Ojha (Ahmedabad) - 7043017700

SOUTH ZONEMr. A.L. Sundararajan (Chennai) - 9176628739

MARKETING EXECUTIVES

For any corrections in above, please write to cts.delhi@jkcement.com At your service : 1800 102 8868

Kanpur Mr. Anurag 9721451388Chaudhary

Kanpur Mr. Dinesh 9721451389Raghuvanshi

Kanpur Mr. Shashikant 9721451390Shrivastava

Kanpur Mr. Ajeet Kr. Shukla 9721451436Allahabad Mr. Abhishek Mishra 9721451391Varanasi Mr. Kishore Kant 9721451397

GorevalaAllahabad Mr. Abhishek Tripathi 9721451434Lucknow Mr. Manish Anand 9721451396Agra Mr. Benoy Kr. Dutta 9721451394Haridwar Mr. Ram Pratap 9721451395

SinghHaldwani Mr. Kundal Singh 9721451380

MADHYA PRADESHIndore Mr. Deepak Chhabra 9755099459Indore Mr. Lokesh Jain 9755211115Indore Mr. Shailendra Jain 7389944933Gwalior Mr. Jitendra Savkare 7389944935Bhopal Mr. Maneesh Mathur 7389944937Chhindwara Mr. Sudip Srivastava 7389944940Jabalpur Mr. Amit Kumar 7389944939Neemuch Mr. Rajeev Upadhyay 7389944936Khandwa Mr. Jitendra Singh 7389944525

GoiyaGuna Mr. Kuldeep Rathore 7389933095

WEST BENGALKolkata Mr. Kallol Paul 9836771313Kolkata Mr. Anant Kr. Mandal 9836771515Durgapur Mr. Debanjan Sadhu 9830124342Siliguri Mr. Kallol Chakraborty9830090631

ORISSABhubaneswar Mr. Ankur Rastogi 7381097295Cuttack Mr. Manas Ranjan 7381097296

DasSambalpur Mr. Suratha Barik 7381097297

North EastGuwahati Mr. Nilanjan 8811094866

Chakraborty

BIHARPatna Mr. Nalin Prabhat 8051808311Patna Mr. Arvind Kumar 8051808312Bhagalpur Mr. Bhanu Kr. Singh 8406923444Muzaffarpur Mr Satyaprakash 9431820201

Dubey

JHARKANDRanchi Mr. Sumit Kumar 8051808313

CHHATTISGARHRaipur Mr. S. Amarnath 95849 55592Raipur Mr. Saurav Kumar 9584466970

AsthanaBilaspur Mr. Suraj Singh 9584469471

NEPALKathmandu Mr. Prashant 00977

Chaturvedi -9851050650Birganj Mr. Sanjay Kumar 00977

-9855026196

MAHARASHTRAMumbai Mr. Navdish Sharma 8600014907

EAST ZONE Mr. Paras Kumar (Kolkata) - 9830065091

WEST ZONE - 1Mr. Rajiv Kumar Mishra (Pune) - 8600531113

Mr. Niranjan Mishra - President - Marketing (White Cement Marketing) Delhi, Mobile: 9899159397

Mr. Mohan Sharma - AVP - Marketing (White Cement) Delhi, Mobile: 9873930501

M a r c h - 2 0 1 5

CUSTOMER TECHNICAL SERVICES EXECUTIVESMr. R.P SINGH (HEAD-CTS); Email: cts.delhi@jkcement.com; Mobile: 9582219292

JKNH/2014-15/07

For any corrections in above, please write to cts.delhi@jkcement.com At your service : 1800 102 8868

ANDHRA PRADESH

ASSAM

BIHAR

CHATTISGARH

DELHI

GOA

GUJARAT

HARYANA

HIMACHAL PRADESH

JAMMU & KASHMIR

JHARKAND

KARNATAKA

KERALA

MADHYA PRADESH

Guntur Mr. S. Rehman Raja 9963472672

Vishakhapatnam Mr. A. V. Krishna 9963472673

Hyderabad Mr. Veerendra Nijampure 9963473370

Hyderabad Mr. S. S. Rao 9963472671

Thirupathi Mr. Abburi Venkateshwaralu 9963472674

Guwahati Mr. Nilanjan Bhattacharjee 9954089549

Patna Mr. Rameshwar Singh 9431108512

Patna Mr. Raj Bihari Pankaj 9430307992

Bhagalpur Mr. Harshit Raj 9835666987

Muzaffarpur Mr. Kundan Kumar 9570220101

Raipur Mr. Rajesh Tandon 9425503739

New Delhi Mr. R.K. Jha 9582250226

New Delhi Mr. Vikrant Tata 9999196864

West Delhi Mr. Mukul Shukla 9910027292

East Delhi Mr. Rohit Kapoor 8588826847

South Delhi Mr. Rakesh Singh 9582305424

Panaji Mr. Gopal Ramesh Joshi 8805020320

Rajkot Mr. H.K. Vachhani 9426429805

Mehsana Mr. Pulin Mistry 9724214161

Rohtak Mr. Vikas Lamba 9992990555

Ambala Mr. Sachin Dahri 8053653738

Gurgaon Mr. P. K. Joshi 9818933227

Gurgaon Mr. Sanjay Khanduri 9412052130

Hissar Mr. Suresh Poonia 8950000033

Karnal Mr. Gurvinder Singh 8930560005

Faridabad Mr. Himanshu Chaudhary 9828341356

Hamirpur Mr. Susheel Kr. Mehra 8894677555

Srinagar Mr. Yasir Majid Khan 9419087580

Ranchi Mr. Sunil Kumar 9431103089

Bangalore Mr. P. S. Punneshetty 9448118205

Bangalore Mr. S. Santosh Kumar 8050078111

Bellary Mr. Sharana Basava Anpur 9964085773

Belgaum Mr. Bharatesh N Jakkannavar 9902172236

Gulbarga Mr. Vijay Kumar C. Patil 9880884520

Hubli Mr. Sanjeev Kumar Ganiger 7022033495

Mysore Mr. Jayasimha N.S. 9916021886

Shimoga Mr. Vinay S.D. 9986115537

Mangalore Mr. Nishanth R. 7022033491

Bijapur Mr. Ganesh M.H. 7022033492

Calicut Mr. Jovin K Jayakumar 9745505523

Kochi Mr. Rajan. V.A. 9745505529

Indore Mr. Rajeev Gupta 9425602156

Indore Mr. Devendra Thakur 9755022531

Jabalpur Mr. Ramesh Somkuwar 9425800273

Ratlam Mr. Mayank Pathak 9981959513

Bhopal Mr. Manoj Patle 7389944523

Pune Mr. N. J. Shah 7387363578

Pune Mr. N. K. Mathur 8600996078

Pune Mr. Umesh D Udavant 8600177346

Pune Mr. Atul Wairagade 7028912334

Amravati Mr. Kishor N. Yerne 9561050052

Jalgaon Mr. Vijay Khadse 9561003309

Kolhapur Mr. L S Desai, 9970117388

Nagpur Mr. Nitin Akolkhedkar 9096066739

Sangali Mr. Swapnil Mene 9762532292

Satara Mr. Nilam Gaikwad 9665671115

Solapur Mr. Mahesh P. Bendre 9561050059

Ahmednagar Mr. Akhilesh Nitnaware 7709909209

Bhubaneshwar Mr. Pradeep Barik 9437100272

Ganjam Mr. Bhairva Kr. Pattanaik 9438256230

Chandigarh Mr. Dinesh Sharma 9878429509

Ludhiana Mr. Shailendra Singh 7087409088

Jaipur Mr. Manoj Kulshrestha 8003994460

Jaipur Mr. Pushpendra Singh 8003994478

Ajmer Mr. Prakash Verma 8003994479

Jodhpur Mr. Virendra Takle 8003994488

Sikar Mr. Nilesh Sharma 8003994471

Udaipur Mr. Arpit Nayyar 7895209020

Shriganganagar Mr. Nirmal Sharma 9896155143

Kota Mr. Vikas Kumar 9950064160

Chennai Mr. R. Arunachalam 9840897299

Chennai Mr. C. Balakrishnan 9841511873

Chennai Mr. R Ramesh 9566021392

Trichy Mr. T. S. Ramesh 9884361992

Salem Mr. N Elamvaluthi 9789776596

Pondicherry Mr. R. Sivaramakrishnan 9688466499

Madurai Mr. C. Thiyagu 8939843458

Allahabad Mr. Ashish Srivastava 9897878681

Bareilly Mr. Arvind Kumar Dubey 8909080881

Ghaziabad Mr. Awadhesh Kumar Mishra 9458756787

Gorakhpur Mr. A. P. Singh 9415600024

Jhansi Mr. Mahendra Pratap Singh 9648100010

Lucknow. Mr. Rajesh Mishra 9648655111

Varanasi Mr. Raghvendra Roy 7080809994

Dehradun Mr. Vinay Kr. Vishwakarma 8938838485

Kolkata Mr. S.P. Arora 9928830730

Kolkata Mr. B.k. Tiwari 8335858200

Kolkata Mr. Sanjay Kumar Chatterjee 9051851051

Kolkata Mr. Anirban Chakravarti 9874321598

Burdhman Mr. Chiranjib Ghosh 8017052888

Siliguri Mr. Subendhu Das 9830013967

MAHARASHTRA

ODISHA

PUNJAB

RAJASTHAN

TAMIL NADU

UTTAR PRADESH

UTTARAKHAND

WEST BENGAL

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