Tripura Ganatantrik Manch is a splinter group of Janganotantrik Morcha, which itself is a splinter group of Communist Party of India (Marxist) in Tripura.
The leader of Tripura Ganatantrik Manch is Ajoy Biswas.
TGM participates in the Confederation of Indian Communists and Democratic Socialists.
References
Tripura Ganatantrik Manch Wikipedia(Text) CC BY-SA