Nyayavidhi is a 1986 Indian Malayalam-language film, directed by Joshiy and produced by Joy Thomas. The film stars Mammootty, Shobhana, Sukumaran and Lalu Alex. The film has musical score by M. K. Arjunan.
Paramu and Johnie are two friends who manage to frame Unnithan for a murder. Though the duo uses Unnithan's wealth to their advantage, things soon turn sour between the friends.