Thuppakki English The Gun is a 2012 Indian Tamillanguage action film written and directed by AR Murugadoss. It features Vijay and Kajal Aggarwal in the lead roles, Vidyut Jamwal as main antagonist, as well as Jayaram and Sathyan Sivakumar in supporting roles. The film, produced by S. Thanu, features background score and soundtrack composed by Harris Jayaraj with cinematography handled by Santhosh Sivan, who with Thuppakki, introduced the Arri Alexa camera to Indian cinema. The story revolves around an Indian army intelligence officer from a Mumbaibased Tamil family on a mission to track down and destroy a terrorist group and deactivate the sleeper cells under its command.

Jagadish Vijay, a captain in the Indian Army, returns to Mumbai from Kashmir. On his arrival, his parents and younger sisters force him to see Nisha Kajal Aggarwal, who they choose for him to be married to. At the brideviewing ceremony, Jagadish makes up excuses to avoid marrying her, which includes commenting about her being oldfashioned. On the contrary, Nisha is a collegelevel boxer, who is completely modern in her outlook. Jagadish realises this and proposes to her, which she reciprocates.One day, while travelling around the city with his police officerfriend Balaji Sathyan, Jagadish witnesses the explosion of a bus in which they had travelled. He manages to capture the man Gautham Kurup who laid the bomb, but he escapes from the hospital where he was kept under custody. Jagadish kidnaps the bomber again, and also forces the police officer who helped the bombers escape, to commit suicide. Jagadish soon learns that the bomber is a mere executor, a sleeper agent, whose only role was to plant the bomb. He also discovers that the Islamic terrorist group HarkatulJihad alIslami, which the bomber belongs to, has planned various such attacks in the city in a couple of days. Enlisting the help of his fellow Army men and Balaji, Jagadish manages to thwart these attacks and kill the sleeper cell leaders brother and eleven other terrorists, including the previously captured sleeper cell agent. ........

Source: Wikipedia