Desc: Karyam Nissaram: Directed by Balachandra Menon. With Prem Nazir, Balachandra Menon, Lakshmi, Poornima Jayaram. Unnithan's wife suspects that he has an illegitimate son. This creates a rift between them and their son-in-law, who she despises because of his low social status, tries to bring them together.