When Kaal Bhairav was billed of Brahma Hatya, he arrived to Kashi to seek penance and it was only within the holy land of Kashi that he was lastly free of charge with the sin from the killing. From that time on, Kaal Bhairav is alleged to reside in Kashi, https://tituspnhav.onzeblog.com/29895663/a-review-of-bhairav