Sattam En Kaiyil

Sattam En Kaiyil () is a 1978 Indian Tamil-language action film directed by T. N. Baalu, starring Kamal Haasan, Sripriya in the lead role. This film was remade in Hindi as "Yeh To Kamaal Ho Gaya" in 1982.
Story synopsis.
The film revolves around twin brothers, who were separated and got different family in their childhood. One becomes an educated and a good person, while the other one becomes local city-thief and a petty criminal remaining uneducated. Problems arrive when their girlfriends think the other as their own boyfriend as they look alike. The story ends reuniting the twin brothers.
Production.
"Sattam En Kaiyil" is the debut film of Sathyaraj. The Dialogues were written by Shanmuga Sundharam.
Soundtrack.
All songs were written by Kannadasan and Thiruppathuran, and composed by Ilaiyaraaja.
Release.
"Sattam En Kaiyil" was released on 14 July 1978. It was commercially successful and ran for 100 days. 100th days celebration of the film was attended by M. Karunanidhi. The film was dubbed and released in Telugu under the title "Donga Dora". The Telugu dubbed film also ran 100 days.