Mukhbiir

Mukhbiir Translation Informer is a 2008 Indian spy thriller film directed by the Mani Shankar. Filmed in Hindi, the film revolves around the life and events surrounding an Indian spy. The film stars actor Sameer Dattani as the spy, and Om Puri, Sunil Shetty, Sushant Singh, Rahul Dev, Jackie Shroff and Raima Sen play the supporting roles.

Director Mani Shankar felt that actor Sameer Dattani will not comprehend fear and hence not emote well while filming. To overcome this, Mani Shankar insisted that Dattani spend a night in a prison. Only the local inspector knew him to be an actor. Besides conducting several training workshops for Dattani to prepare for his character, Mani Shankar also organized a visit to the underworld. Though he had a harrowing experience during the night, he was happy that his efforts brought him praise from the critics.Prior to its release, director Mani Shankar claimed that he was able to help the producer recover the budget costs. He hypothesized that the revenue from television, home video rights along with the soundtrack is usually more than the cost of the production. Since Mani Shankar claimed prerelease profit for this film due to intelligent budgeting, he was confident even before the films release. ........

Source: Wikipedia