If just one gets rid of gets rid of bhupur from Kāla Bhairavaācāra Yantra and also have the remaing facets of yantra intact then that turns into Kāla Bhairavaācāra Personḍala. In accordance with Siddha Dharma, when the universe was designed then Kāla Bhairava manifested as Kāla or time as formless https://hectorwfmsx.tkzblog.com/29747894/detailed-notes-on-bhairav