The director of Student of the Year, Karan Johar, and the cast members -- Siddharth Malhotra, Varun Dhawan, and Alia Bhatt -- were spotted promoting their upcoming film at Radio Mirchi Studio's.During a recent media interaction, Karan Johar said: Well, predominantly it is not a love story; it’s definitely to do with the younger generation, and what competition does to destroy relationships.