After the success of "Love Sex Aur Dhokha", Ekta Kapoor is now all set to release her upcoming film "Once Upon A Time In Mumbaai" on July 30.

Directed by Milan Luthria, Ajay Devgan starrer will trace the altering face of the Mumbai criminal world through the eyes of a policeman.

The film also features Emraan Hashmi, Kangana Ranaut and Prachi Desai.

"Once Upon A Time In Mumbaai", set primarily in 1970 Mumbai, follows the rise of Sultan (Ajay), and his eventual fall when his protege Shoaib (Emraan) challenges his domination and usurps power to rule the underworld in Mumbai.

The film is treated in an avante garde fashion, bursting with color, underlining the style of the 70s and 80s. (With Inputs from Agencies)