Once Upon a Time in Mumbaai is a 2010 Indian gangster film written by Rajat Arora , directed by Milan Luthria and produced by Ekta Kapoor. It stars Ajay Devgn, Emraan Hashmi, Kangana Ranaut, Prachi Desai and Randeep Hooda. The film is produced under Balaji Motion Pictures and released on 30 July 2010. Once Upon A Time in Mumbaai received generally positive reviews from critics and was a box office success. The film is loosely based on the lives of Mumbai underworld gangsters Haji Mastan and Dawood Ibrahim.
Its sequel, Once Upon a Time in Mumbai Dobaara! was released on 15 August 2013. It featured Akshay Kumar replacing Hashmi from the first film alongside Imran Khan. The filming for the sequel began in August 2012 apparently in Qatar.The sequel received negative reviews from both critics and audiences and performed poorly at the box office.
