Thirumavalavan or Thol. Thirumavalavan or thol.Thirumavalavan(born 17 August 1962) is an Indian Politician and Tamil activist, Member of Parliament in 15th Lok Sabha and the current President of the Viduthalai Chiruthaigal Katchi l party in the state of Tamil Nadu in India. He rose to prominence in the 1990s as a Dalit leader, and entered politics in 1999. His political platform centres on ending the caste-based oppression of the Dalits, which he argues can best be achieved through reviving and reorienting Tamil nationalism. He has also expressed support for Tamil nationalist movements and groups elsewhere, including Sri Lanka.