When Kaal Bhairav was charged of Brahma Hatya, he arrived to Kashi to seek penance and it had been only during the holy land of Kashi that he was last but not least free from your sin with the killing. From that point on, Kaal Bhairav is alleged to reside https://jasperdavoj.theideasblog.com/30339438/bhairav-for-dummies