Nallavan ( 1988 ) , Tamil
Synopsis: " Guru and Raja (Vijaykanth ) are identical twins. Guru is a successful lawyer while Raja is unemployed helping people in trouble. Guru's marriage gets fixed to the collector Ponni (Radhika) and on the day of their marriage Raja is kidnapped in Kashmir by some goons. The leader of the gang, Vikram (Kitty) shows him a photo where he is stabbing a girl with a knife. Instantly Raja realizes that it is Guru. Vikram blackmails Raja thinking he is Guru. Raja plays along and manages to get away from him. Back home Raja must unravel the truth about his brother. Is Guru a wolf in sheep's coat? Will Raja be able to solve the mystery? "