once upon a time in mumbaai based on whose story
Once Upon a Time in Mumbaai 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[5] 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.[6][7][8] The film is loosely based on the lives of Mumbai underworld gangsters Haji Mastan and Dawood Ibrahim.