Karan Johar again do it, after casting Kajol and Kareena Kapoor for Kabhi Khushi Kabhie Gham, way back in 2001, and doning KKKK (Kajol Kareena Karan and Kabhi Khushi Kabhie Gham). Now again KKK doing debutant director Siddharth Malhotra, the grandson of the late Prem Nath. Siddharth made a popular TV serial Sanjivani. Our source revealed, “Kajol and Kareena have been finalised for Karan Johar’s forthcoming film, which will start once the actors are free from their o