Released on July 30, 2010, Once Upon A Time In Mumbaai is a neo-noir crime thriller directed by Milan Luthria. It is loosely inspired by the lives of Mumbai underworld figures and Dawood Ibrahim .

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The film is loosely based on the real-life story of Haji Mastan, a notorious gangster and smuggler from Mumbai. The story revolves around the rise of Sultan Mirza (played by Ajay Devgn), a character inspired by Haji Mastan, and his protégé, Shoaib Khan (played by Emraan Hashmi).

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As of April 2026, the movie is available on the following services: Streaming Subscriptions: You can stream it on Amazon Prime Video Hungama Play Free with Ads: Available on JioHotstar Rent or Buy: Digital copies are available for purchase or rental on Google Play Movies Movie Overview