Karan Johar, the famed Bollywood filmmaker, is celebrating 19 years of his directorial Kabhi Khushi Kabhie Gham, which was a blockbuster. Taking to his social media handles, Karan Johar took a trip down memory lane by sharing a montage video of the film featuring Amitabh Bachchan, Jaya Bachchan, Shah Rukh Khan, Kajol, Hrithik Roshan and Kareena Kapoor Khan in the