Ranbir Kapoor who is all set to play a lead Character in Rajkumar Hirani's upcoming Dutt biopic walks on the sets just like Sanjay Dutt.

Sanjay Dutt is surely known for his exceptionality and his walk is one of his USPs.

Ranbir in order to get into Sanjay's shoes watched 250 Hours of video material on Sanjay Dutt so that he could get into the role and understand the small nuances of the character.

Sources close to the unit says when Ranbir walks on to sets, people usually take a double take because they feel Sanjay Dutt has walked in. The actor is looking more and more like Sanjay Dutt. His mannerisms are so identical that people around him are shocked.

Ranbir is leaving no stone unturned to get into Sanjay Dutt's character, which will surely be a visual treat for the audiences. Spokesperson confirms and adds that you have to see Ranbir Kapoor to believe it

Rajkumar Hirani's upcoming biopic based of Sanjay Dutt's life is all set to release this Christmas.