Ranbir Kapoor has put a confirmation on all the rumours that claimed that he will be a part of Sanjay Dutt's biopic, which will be directed by Rajkumar Hirani.
Making the confirmation, the 33-year-old actor said that he will be undergoing a physical transformation for it, adding that he will be beefing up his weight as well.
Ranbir will be soon seen in 'Tamasha' alongside Deepika Padukone.