The custom of these guhya or secretive Bhairava is really an oral tradition that is constant from the guru disciple custom. Their karmakand rituals and methods are mystery, they don't seem to be published down but only learnt and practiced in guru disciple custom. Inside the Kala Bhairav Ashtakam by https://deantwzdh.frewwebs.com/30461817/bhairav-things-to-know-before-you-buy