Aandolan (Oscillation) of komal Re and komal Dha swars; the timing of those actions is critical for rendering the identity of Bhairav. Kāla Bhairavaācāra can be a karmakaand manuscript which is made up of yantra personḍala,avaran rituals, fireplace sacrefices homa rituals, and Kāmya rituals that happen to be specific ritual https://indian-devotional27158.blogdon.net/bhairav-an-overview-46058809