Deewangee
Deewangee () is a 2002 Indian Hindi-language psychological thriller film directed by Anees Bazmee and produced by Nitin Manmohan. The film stars Akshaye Khanna Ajay Devgn,  and Urmila Matondkar. The music was composed by Ismail Darbar, with lyrics by Salim Bijnori and Nusrat Badr. This was Devgn's first antagonist role and he won the Filmfare Best Villain Award. It is inspired and has its first half adapted from Primal Fear (1996) by Gregory Hoblit which was itself based on William Diehl's novel of the same name. Released on 25 October 2002, the film was a below-average performer at the box office. It was remade in Tamil as Kadhal Kirukkan in 2003. Plot 

Raj Goyal (Akshaye Khanna), a young and successful criminal lawyer, famous for never having lost a case, is introduced to popular singer Sargam (Urmila Matondkar) by music magnate Ashwin Mehta (Vijayendra Ghatge). The following day, Ashwin is brutally murdered in his own house. The murderer, Tarang Bharadwaj (Ajay Devgn), who is Sargam's childhood friend and music mentor, is caught red-handed at the crime scene. He claims he is innocent and Sargam, who believes in Tarang's innocence, approaches Raj to defend him, which he accepts after meeting Tarang. Realising Tarang has a mental illness, Raj hires a psychiatrist (Seema Biswas) to study his case. The psychiatrist finds out that Tarang has Dissociative identity disorder and his other personality goes by the name of Ranjeet. Meanwhile, Raj and Sargam grow closer due to their frequent meetings and eventually fall in love. Raj speaks to Ranjeet, who is the complete opposite of the innocent and simple Tarang. Ranjeet admits to killing Ashwin who had tried to molest Sargam at the party. Ranjeet sees Tarang as his younger brother who in turn considers Sargam his wife. Bringing his split personality in front of the court, Raj is able to win the case and free Tarang. But right after he is acquitted, Raj finds out that the split personality disorder was an act put up by Tarang to get out of jail. Tarang then tells him to stay away from Sargam. Raj tries to reopen the case in order to protect Sargam but fails, and Tarang is moved to mental hospital for treatment. Raj extends Tarang's stay in the mental hospital by proving that he is sick and needs more treatment but Tarang wriggles out of Raj's attempt and is released. Raj appoints personal security for Sargam to ensure her safety, while Tarang relentlessly tries to reach her, during which he seriously injures Yana, Sargam's assistant. Raj says that they can trap Tarang with Sargam performing a show and Tarang coming there. But Tarang  kidnaps Sargam and takes her to an old fort where he has booked a vehicle to go abroad. Sargam secretly gives her location to Raj. Sargam while trying to escape tells Tarang that she loves Raj to which Tarang responds saying that then he has to kill Raj. Soon Raj arrives and a fight ensues which ends with Sargam overpowering Tarang and pushing him into a nearby river. The next morning the police are unsuccessful in finding his body. The movie ends with Sargam and Raj enjoying a vacation and they hear someone sing one of Tarang's songs. Raj believes it cannot be Tarang and because the song is so popular, anyone can sing it. 