Bollywood superstar Ranbeer Kapoor is ready to look like Sunjay Dutt. Ranbir says I will try to assimilate the qualities and personality of Sanjay Dutt biography to add realism to his roles. This film is directed by Raj Kumar Hirani. Ranbir told the reporters that, "When I will start the movie on the biopic of Sunjay Dutt, I will try to be like Sunjay Dutt, I have increased my weight and I don't know how much weight I need to gain more. I will decide after when the discussion will we on.