The most renowned director of the Bollywood film industry Rajkumar Hirani has finally commenced working on the much-anticipated biopic on actor Sanjay Dutt 's life. According to a leading daily, Rajkumar Hirani has recently returned to Mumbai from the month-long trip to the US where he completed the first draft of the biopic on Sanjay Dutt 's life along with writer Abhijat Joshi .
After delivering a blockbuster like PK , the director has involved himself in this biopic completely. Actor Sanjay Dutt and Hirani are real life friends and have known each other for years still it is difficult to depict his life on the big screen for him. It is believed that actor Ranbir Kapoor has been roped in to play the lead role in the biopic movie.