They are able to only develop into efficient by utkilan or unlocking with consists of veneration and worship rituals of Kāla Bhairavaācāra Guru Maleḍala. One does the utkilan, abhishincana , tarpan together with other rituals to access the sadhana procedures of Kāla Bhairavaa by accomplishing the worship ritual of Kāla https://directoryecho.com/listings604240/kaal-bhairav-secrets