Kuch Kuch Hota Hai, Kabhi Khushi Kabhie Gham, Kal Ho Naa Ho, Kabhi Alvida Naa Kehna, My Name Is Khan, Kurbaan, Kaal.. well, you get the point, don’t you? In the earlier days, Karan Johar’s films had the K factor. However, the things changed after a while.