List edit
- Communist Party of India (Marxist-Leninist) Red Star led by K.N.Ramachandran
- Centre of Indian Communists
- Communist Ghadar Party of India
- Communist Party of India (Maoist) led by Nambala Keshava Rao—result of the September 2004 merger of the Maoist Communist Centre of India (M.C.C.) and the Communist Party of India (Marxist-Leninist) People's War, also known as the People's War Group (PWG)
- Communist League of India (Marxist-Leninist)
- Communist Party of Bharat led by Ranjan Chakraborty and Barnali Mukherjee
- Communist Party of India (Marxist-Leninist) Naxalbari led by Rauf
- Communist Party of India (Marxist-Leninist) Janashakti led by Koora Rajanna
- Communist Party of India (Marxist-Leninist) Janashakti led by Ranadheer
- Communist Party of India (Marxist-Leninist) Janashakti led by Chandra Pulla Reddy
- Communist Party of India (Marxist-Leninist) Bhaijee
- Communist Party of India (Marxist-Leninist) Prajashakti
- Communist Party of India (Marxist-Leninist) Praja Pratighatana
- Communist Party of India (Marxist-Leninist) Prathighatana
- Communist Party of India (Marxist-Leninist) (Mahadev Mukherjee) led by Mahadev Mukherjee
- Communist Party of India (Marxist-Leninist) Central Team
- Communist Party of India (Marxist-Leninist) (Kanu Sanyal) led by Kanu Sanyal
- Communist Party of India (Marxist–Leninist) Liberation led by Dipankar Bhattacharya
- Communist Party of India (Marxist-Leninist) Red Flag led by Unnichekkan
- Communist Party of India (Marxist-Leninist) New Democracy led by Yatendra Kumar
- Communist Party of India (Marxist-Leninist) Somnath led by Somnath Chatterjee Ukhra and Pradip Banerjee
- Communist Party of India (Marxist-Leninist) Shantipal
- Communist Party of India (Marxist-Leninist) Jan Samvad
- Communist Party of India (Marxist-Leninist) Nai Pahal
- Communist Party of India (Marxist-Leninist) New Proletarian
- Communist Party of India (Marxist-Leninist) Maharashtra
- Communist Party of India (Marxist-Leninist) Organizing Committee
- Communist Party of United States of India
- Communist Revolutionary Centre
- Provisional Central Committee, Communist Party of India (Marxist-Leninist) led by Satyanarayan Singh and Santosh Rana
- Communist Party Reorganization Centre of India (Marxist-Leninist)
- Marxist-Leninist Committee led by K. Venkateswar Rao
- Re-organizing Committee, Communist League of India (Marxist-Leninist)
- Revolutionary Communist Centre of India (Marxist-Leninist-Maoist)
- Revolutionary Socialist Party of India (Marxist-Leninist)
- Revolutionary Communist Unity Centre (Marxist-Leninist)
- Lal Jhanda Dal
- Unity Centre of Communist Revolutionaries of India (Marxist-Leninist) (D.V. Rao)
- Unity Centre of Communist Revolutionaries of India (Marxist-Leninist) (Ajmer group)
- Maoist Communist Party of Manipur
