Post the super success of PK, everyone right from the fans to the people in trade are awaiting Rajkumar Hirani’s next film which is a Biopic on Sanjay Dutt. The director took everyone by surprise when he announced his next film as Sanju Baba's Biopic. Young Heart throb Ranbir Kapoor has been roped in to play Sanjay Dutt. According to the latest buzz the actor is working hard to put on some weight to take up the journey of macho man of Bollywood.