- BJS – All India Bhartiya Jan Sangh
- BPI – Bolshevik Party of India
- CPI – Communist Party of India
- FBL(MG) – Forward Bloc (Marxist Group)
- FBL(RG) – Forward Bloc (Ruikar Group)
- HMS – Akhil Bharatiya Hindu Mahasabha
- INC – Indian National Congress
- KLP – Krishikar Lok Party
- KMPP – Kisan Mazdoor Praja Party
- RCPI – Revolutionary Communist Party of India
- RRP – Akhil Bharatiya Ram Rajya Parishad
- RSP – Revolutionary Socialist Party
- SCF – All India Scheduled Caste Federation
- SP – Socialist Party
