Munna Bhai was first introduced in the 2003 filmMunna Bhai M.B.B.S. which involves his adventures as a faux medical student, who finally tells the truth about himself and learns to help people along the way.
''Lage Raho Munna Bhai''
In the second movie, Lage Raho Munna Bhai, Munna Bhai becomes a faux professor. He begins to have visions of Mahatma Gandhi who persuades him to stop pretending he is a professor and teaches him to help other people solve their problems through Gandhism, which Munna Bhai terms Gandhigiri.