Naan Sigappu Manithan is a 1985 Indian Tamil-language action thriller film written and directed by S. A. Chandrasekhar. The film stars Rajinikanth, K. Bhagyaraj and Ambika, with music by Ilaiyaraaja. It was a commercial success at the box office. The film is a remake of 1984 Hindi film Aaj Ki Awaaz. Vijay played a child artist role in this film.

Plot

Vijay is a Tamil professor who lives with his widowed mother and his sister Shanti. During a visit to his friend Ravi's house, Vijay is disgusted by the Illicit liquor and prostitution in the neighbourhood and complaints to the police, but they do not pay heed as they are on the corruption's payroll and manages to warn them before making a raid. Ravi's sister is killed and the perpetrator named Mohanraj gets off scot-free with help from a minister. Enraged, Vijay and Ravi take matters into their own hands and clean up the liquor trade and brothel on their own.