The biography launch of the veteran actor was a star-studded event. It was one of the most memorable nights when several celebrities from the film fraternity attended the launch of Dilip Kumar’s biography, titled The Substance And The Shadow, held in Mumbai on Monday (June 9).The event, which was hosted by Karan Johar started with veteran actor Vyjantimala, Madhuri Dixit-Nene and Priyanka Chopra lighting the lamp to open the event. The book was then released by Dilip’s wife Saira Banu, Amitabh Bachchan, Aamir Khan and Dharmendra.But in all this the two King Khan's were missing....does the rivalry still exist? Watch this video for more!!!  Show less