Amitabh Bachchan Birthday: Megastar Amitabh Bachchan will turn 81 on October 11. Known as the Big B of the Hindi film industry, Amitabh Bachchan has done several hit movies in his career. Big B has worked with filmmakers like Sooraj Barjatya to actors like Ajay Devgn, Rashmika Mandanna, Kunal Khemu, director R. Balki and many more. As per these stars and filmmakers, Amitabh Bachchan is a megastar for a reason and that comes from his knowledge, experience and basic humanity and extreme professionalism who still brings the energy on a set that no other star can. On the occasion of Amitabh Bachchan`s birthday, let’s listen in to B-Town stars talk about Big B!