The tradition of those guhya or secretive Bhairava is definitely an oral custom that is continuing in the Expert disciple tradition. Their karmakand rituals and procedures are magic formula, they're not composed down but only learnt and practiced in guru disciple custom. अट्टहासभिन्नपद्मजाण्डकोशसंततिं दृष्टिपातनष्टपापजालमुग्रशासनम् । अष्टसिद्धिदायकं कपालमालिकाधरं काशिकापुराधिनाथकालभैर... https://troyhtfpy.bloggosite.com/36674527/5-simple-statements-about-bhairav-explained