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Munna Bhai M.B.B.S. is the film in which Sanjay Dutt portrayed the iconic character of Munna Bhai. This 2003 comedy-drama follows the story of Munna, a local goon who aspires to become a doctor to fulfill his father's dream. Dutt's portrayal of Munna Bhai, with his signature dialogue "Circuit, main aata hoon," became a cultural phenomenon and established the character as one of the most beloved in Indian cinema.