Oru Vidukadhai Oru Thodarkadhai is a 1979 Indian Tamil-language film directed by M. A. Kaja.
The film tells the story of Thyagarajan and Kamala, who are in love but are separated due to unforeseen events in their lives. Years later, they cross paths again when Thyagarajan joins an office where Kamala works under him.
As time passes, Kamala learns that Thyagarajan's wife has deserted him for his close friend Bhaskar, a basketball player. The erstwhile lovers become supportive of each other as they navigate their unhappy personal lives.
The film follows the story of whether Kamala and Thyagarajan find happiness in their lives or remain unhappy.
Starring Vijayan as Thyagarajan (Thiyagu), Shoba as Kamala Typist, and Vijay Babu as Bhaskar, among others.