"Now, why was it at all necessary for Ghiyasuddin Ghazi to change his name to Ganga Dhar? Dhar is a well-known Kashmiri Hindu surname. Many of these 'Dhars' were forced converted into Islam; their names were then changed to 'Dar' just to distance themselves from the Hindu 'Dhar'."
January 1, 1970
https://en.wikiquote.org/wiki/Dhar_(surname)