Vinod Khanna's final on-screen appearance while alive.
The song Gerua, picturized on Shah Rukh & Kajol is the most expensive song to be shot in Bollywood. It was shot all the way in Iceland.
Shah Rukh Khan and Kajol's 7th movie together excluding cameos.
Shahrukh's role is inspired by Amitabh Bachchan's character in "Hum" (1991).
The film was shot in Goa, Hyderabad and Bulgaria.