Once Upon a Time in Mumbaai Review by
In.com. Rating: 3.5
The film is based on the lives of Haji Mastan and Dawood Ibrahim of the Mumbai underworld. Sultan (Ajay Devgn) becomes the don during the 1970s till the criminal activities are taken over by his own protégé Shoaib (Emraan Hashmi) who challenges Sultan's supremacy.
