Mission Mumbai is decoded by an honest and patriot Police Inspector of Mumbai, Inderjeet Singh as a secret Plan for the destruction of Mumbai city and blast Gateway of India on 31st December. But his dedication gets stabbed in the back by a police officer who gives tip to underworld don Pathan Baba about his inverstigation for Mission Mumbai. He succeeds to stop the bomb blast on 31st December at Gateway of India and tereby save thousands of innocent lives at the cost of his life thus proving to all that he was a real Indian.