Oru Odai Nadhiyagirathu

Oru Odai Nadhiyagirathu is a 1983 Tamillanguage Indian feature film written, produced and directed by C. V. Sridhar, starring Raghuvaran in lead role.

Meantime the woman Sumalatha becomes pregnant and unable to come in terms with this incident, she leaves that place with her father Prathapachandran. In a new place, she gives birth to a boy and she tries to search Raghuvaran eventhough she never recall his face on that dreaded rainy night.Later Raghuvaran gets married to Manochitra as everyone forces him eventhough he is still fond of Sumalatha, the woman he raped. Whether Sumalatha finds Raghuvaran and what happens to Manochitra, or whether Raghuvaran identify his son form the climax. ........

Source: Wikipedia