The custom of these guhya or secretive Bhairava is definitely an oral tradition that is continuous while in the Expert disciple custom. Their karmakand rituals and techniques are top secret, they don't seem to be written down but only learnt and practiced in Expert disciple tradition. According to Siddha Dharma, https://baglamukhi84062.izrablog.com/30401342/rumored-buzz-on-bhairav