Hum Tum director Kunal Kohli gets candid about the casting process of 2004 rom-com as he shares why Aamir Khan and Hrithik Roshan said no to the film before Saif Ali Khan came on board.

He has shared frames with Amitabh Bachchan, exchanged punches with Akshay Kumar, stood his ground before Raj Babbar, and been ...