 Murli Prasad Sharma alias Munna Bhai ( Sanjay Dutt ) , a gangster who is in love with the voice of Janhavi ( Vidya Balan ) , a radio jockey , devises a plan to meet her when she announces a quiz contest featuring the life and beliefs of Mahatma Gandhi , to be aired on 2 October , the birthday of Gandhi . To prepare for the contest , Munna 's sidekick Circuit ( Arshad Warsi ) kidnaps and bribes a group of professors to provide the answers for Munna . After winning the contest , Munna is granted an interview with Janhavi wherein he presents himself as a professor of history and a Gandhi specialist . Janhavi subsequently asks Munna to present a lecture on Gandhi to a community of senior citizens who live in her home , called the ' Second Innings House . ' To prepare for this event , Munna engages in intense study at a Gandhi institute . For three days and nights ( and without food or sleep ) , Munna reads about the life and ideologies of Gandhi . 
