When Kaal Bhairav was charged of Brahma Hatya, he came to Kashi to hunt penance and it absolutely was only in the holy land of Kashi that he was ultimately absolutely free from the sin in the killing. From that point on, Kaal Bhairav is said to reside in Kashi, https://waylontoidw.life3dblog.com/29208113/the-fact-about-bhairav-that-no-one-is-suggesting