''Karhan is a village in the Indian state of Uttar Pradesh and comes under the district of Mau.
Map of Karhan, Uttar Pradesh 276402
It has the distinction of having been associated with some of the finest minds in India, such as the saint Mir Shamsi, his illustrious descendant Ali Jawad Zaidi & Shamim Karhani.
References
Karhan, Uttar Pradesh Wikipedia(Text) CC BY-SA