Did you know Karan Johar signed Shah Rukh Khan and Amitabh Bachchan for ‘Kabhi Khushi Kabhie Gham’ in just one day?

Karan revealed that he signed ‘Kabhi Khushi Kabhie Gham’ central star – Amitabh Bachchan, Shah Rukh Khan, Jaya Bachchan, Kareena Kapoor, Kajol, Hrithik Roshan – on the same day.