When Kaal Bhairav was charged of Brahma Hatya, he came to Kashi to seek penance and it was only from the holy land of Kashi that he was at last totally free with the sin on the killing. From that time on, Kaal Bhairav is alleged to reside in Kashi, https://louisfaung.daneblogger.com/29346616/getting-my-bhairav-to-work