KJo pens a moving tribute to dad Yash Johar

Karan started his directorial journey with the Shah Rukh Khan, Rani Mukerji and Kajol starrer Kuch Kuch Hota Hai, that is still regarded as one of the best love stories Bollywood has seen. In an old interview with Film Companion, Karan Johar shared a funny story about filming an important scene without telling the main actor beforehand