How are you certain that A.R. Khan is Muslim? To the best of my knowledge, the name Khan has political, as opposed to religious, origins (http://en.wikipedia.org/wiki/Khan).
'Khan' is a Mughal-origin, Muslim surname, commonly used in India.
Only Muslims in India have Khan as a surname.
'Khan' is a Mughal-origin, Muslim surname, commonly used in India.
Only Muslims in India have Khan as a surname.