Viduthalai Chiruthaigal Katchi (transl. Liberation Panther Party; abbr. VCK) formerly known as the Dalit Panthers of India or the Dalit Panthers Iyyakkam (transl. Dalit Panthers Movement; abbr. DPI) is an Indian social movement and political party that seeks to combat caste based discrimination, active in the state of Tamil Nadu. The party also has a strong emphasis on Tamil nationalism. Its chairman is Thol. Thirumavalavan, a lawyer from Chennai and its general secretary is the writer Ravikumar.