Tamil nationalist party founded by government minister and Tamil attorney G. G. Ponnambalam.
Party joined the Tamil National Alliance (TNA) in 1972, bringing in partner Illankai Tamil Arasu Kachchi (ITAK or the 'Federal Party') to form the Tamil United Liberation Front (TULF) in 1976. Party broke away in 2001 to join the Tamil National People's Front [Ahila Ilankai Thamil Congress (AITC)].