The tradition of those guhya or secretive Bhairava is definitely an oral tradition that is constant during the guru disciple custom. Their karmakand rituals and procedures are secret, they're not composed down but only learnt and practiced in guru disciple custom. The name “Kaal” refers to time, while “Bhairav” indicates https://nebula-directory.com/listings588688/new-step-by-step-map-for-kaal-bhairav