Commonweal Party was an Indian political party that existed in Tamil Nadu between 1951-54. It was started by M. A. Manickavelu Naicker claiming to represent the interests of Vanniar caste. It merged with Indian National Congress in 1954. The party won 3 seats during 1952 lok sabha election and 6 seats in the Madras State legislative assembly elections.
References
Commonweal Party Wikipedia(Text) CC BY-SA