Deewangee (2002)

Raj is one of city's top lawyer known never to loose a case.He his introduced to Sargam during the launch of her new album by Ashwin Mehta owner of a music company.Next day Ashwin is found murdered and Tarang is held for the murder,Sargam and Tarang are childhood friends and she approaches Raj to fight for his case. During this period Raj notices that Tarang suffers from mental illness of split personality and when he suffers the attack he is not Tarang but Ranjeet and doesn't remember things he does when he turns Ranjeet.Tarang had killed Ashwin as the previous night he saw him forcing on Sargam but doesn't remember killing him as he was Ranjeet that time.Raj wins the case in court by proving Tarang innocent as he is suffering from mental illness.Tarang is due to release and gives Raj a shock to that he had planned everything regarding split personality as he was caught red handed on the site of murder.