Randam Bhavam

Twin brothers Navneethakrishnan aka "Kishan" & Ananthakrishnan aka "Ananthu" are poles apart - while the former had run away from home as a child & is now a goon of the Mangalore underworld don Govindji (Thilakan), the latter is a college lecturer in Ottapalam. Ananthu visits Kishan from time to time, determined to reform him & bring him back to Ottapalam. Kishan falls out with Govindji & Govindji, in trying to get Kishan killed, kills Ananthu instead. Kishan decides to go undercover as Ananthu. (Summary by iceblox)