Husband of Nirmala and later Seetha, father of Sony. He marries Seetha under family pressure and to provide a mother for his daughter, navigating the complex emotional fallout when Nirmala begins to recover.
Sethu becomes Seetha's husband after Nandu's death.
Nirmala and Sethu are married and share a daughter.
Explore the full interactive character relationship map of Onnanu Nammal