Pakistani actor Fawad Khan who will soon be seen on screens across the country with 'Kapoor And Sons' has called actress Ratna Pathak Shah his permanent mother on screen. The actor's debut film 'Khoobsurat', across Sonam Kapoor saw the veteran actress play his mother, and she will play the same in Shakun Batra's upcoming. βI think she is my permanent filmi maa. I think working with a veteran actress like her was great. I am completely new,β he said at a recent press interview. He also called her a party animal offscreen. βIt is a delight to work with actors from whom you can learn something. She is very giving and collaborative. She is a party animal.β