Please note the below sadhana is very powerful and there are chances of facing some minor problems once this sadhana is started

The person who practice this should not get scared and must have unconditional devotion

Chinnamasta Maha mantra

Viniyog:

Aum asya shri Chinnamasta mantrasya Bhairava Rsih, SamrAt chandah, ChinnamastA-bhuvaneshvarI devatA, (hUm hUm bIjam, svAhA shaktih, Kleem keelakam; Sri Chinnamasta devi ) mamAbhIstasiddhaye jape viniyogah

RsyAdi-nyAsa

BhairavAya rsaye namah -- shirasi;SamrAt chandase namah Mukhe;ChinnamastA devatAyai namah -- hrdi;hUm hUm bIjaya namah -- guhye;SvAhA shaktaye namah pAdayoh.Bhur bhuva suvarom iti dik bandhaha

nyAsa

Aum Am KhadgAya hrIm hrIm phat hrdayAya svAha-Kanisthayoh.Aum Im  sukhadgAya hrIm hrIm phat Shirase svAhA-AnAmikayoh.Aum Um  VajrAya hrIm hrIm phat ShikAyai svAhA -- Madhyamayoh.Aum aim  PAshAya hrIm hrIm phat KavacAya svAhA -- Tarjanyoh.Aum aum  AmkushAya hrIm hrIm phat Netra-trayAya svAhA Angusthayoh.Aum ah  Vasuraksa hrIm hrIm phat astrAya phat -- Karatalakara-prsthayoh.

DhyanaAnogra Swasharirasya Nabhineeraj Sgantaan| Nirlepaam Nigunaam Sukshmaam Baal Chandra Sam Prabham|| Samadhi Matra Gamyam Tu Gun Tritya Veshtitaam| Kaliteetam Gunateetam Mukti Bhukti Pradayineem|| Pratyaleedh Padam Dadhateem Chinnam Shirah Katrika| Chinnamastaam Bhaje Devim Sarv Soukhya Pradayineem ||

Mula Mantra

Aum shrIm hrIm hrIm vajravairocanIye hrIm hrIm phat  svAhA.

Note: This mantra is locked by Lord Siva, so to unlock it chant “Aum HrIm Aum” before and after the recitation of the the mula mantra 108 times.For Siddhi chant this mantra for 4 Lakhs or 400 thousand times plus 40 thousand times in the form of fire sacrifice using Bilva or Palasa flower and fruit.If fire sacrifice is not possible just chant additional 40 thousand times

Useful in defeating enemies, controlling people, in terms of spiritual progress helps in mastery of attachment over pleasures.

Please take caution in reciting this mantra as powerful mantras are not for weak minded people