Ratchagan (transl. Saviour) is a 1997 Indian Tamil-language romantic action film co-written, produced by K. T. Kunjumon and directed by Praveen Gandhi in his directoral debut. The music and background score is composed by A. R. Rahman. It stars Nagarjuna and Sushmita Sen in their lead Tamil debuts, alongside Raghuvaran, S. P. Balasubrahmanyam, Vadivelu and Girish Karnad in supporting roles. The film was released on 30 October 1997. It was the most expensive Indian film at the time of release. Notably, this is the only Tamil film to have Sen in a lead role.
