After so many speculation, it is now has been confirmed that Bollywood actress Dia Mirza will play Maanyata Dutt in Sanjay Dutt's biopic. Earlier, there were reports that a newcomer, who exactly looks like Maanyata Dutt, is playing her role in the biopic. Now, all such speculations have been put to rest as Dia Mirza has been finalised for the role in the film. It is being said that Dia has already completed the portions of her shoot pertaining to the film. Directed by Rajkumar Hirani, Sanjay Dutt's biopic is slated to release on Christmas. Ranbir Kapoor is playing Sanjay Dutt in the biopic.