Communist Party of India AITUC - AIKS - AIYF AISF - NFIW - BKMU
Communist Party of India (Marxist)
CITU - AIKS - DYFI SFI - AIDWA - GMP
Communist Ghadar Party of India Naxalbari uprising Communist Party of India (M-L) Liberation - New Democracy Janashakti - PCC - 2nd CC Red Flag - Class Struggle Communist Party of India (Maoist)
Socialist Unity Centre of India (Communist) AIUTUC - AIMSS AIDYO - AIDSO
M. N. Roy Abani Mukherji A. K. Gopalan P. Krishna Pillai P. C. Joshi P. Sundarayya Ajoy Ghosh K. Damodaran E. M. S. Namboodiripad Azhikodan Raghavan V. S. Achuthanandan E. K. Nayanar Guru Radha Kishan B. T. Ranadive Charu Majumdar Jyoti Basu S. A. Dange Shibdas Ghosh E. K. Imbichi Bava T. Nagi Reddy
Tebhaga movement CCOMPOSA Telangana Rebellion Comrades Association Communist Party of French India
Communism World Communist Movement
Punjab Communist Revolutionary Committee, originally the Bhatinda District Committee of AICCCR. The committee was one of the sections that broke away when AICCCR founded CPI(M-L). In June 1976 PCRC merged with UCCRI(ML).