Emraan and Kangna are each other's lucky charms

Kangna Ranaut, who will be seen with Emraan Hashmi for the third time in Once Upon A Time In Mumbaai, revealed that both of them consider each other lucky.

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"I don't have many scenes with Emraan in this film but we were discussing some time back that we are definitely each other's lucky charms. Both the films that we did together -- Gangster and Raaz-The Mystery Continues -- worked," Kangna said.

Set primarily in 1970s Mumbai, Once Upon A Time In Mumbaai by Milan Luthria also stars Ajay Devgn and Prachi Desai.

The film will trace the changing face of the underworld through the eyes of a police officer.

The story follows the rise of Sultan (Ajay Devgn), and his eventual fall when his protege Shoaib (Emraan Hashmi) challenges his supremacy and usurps power to rule the underworld in the city.

The film releases July 30.

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