Dia Mirza is excited to work on Rajkumar Hirani's biopic on Sanjay Dutt, but doesn't want to be stressed thinking about her role. Dia will be seen playing the role of Dutt's wife, Maanayata, in the film. "I'm excited about the biopic and my role. I don't want to put too much pressure on myself by thinking about the fact that it might take my career as an actor in a new direction," she says. Ranbir Kapoor plays the protagonist in the film.