About & history
- Abbreviation
- PSP
- Founded
- 1952
- Founder(s)
- Merger of the Socialist Party and the Kisan Mazdoor Praja Party
- Main base
- All India
Formed in 1952 by the merger of the Socialist Party and J. B. Kripalani's Kisan Mazdoor Praja Party.
Milestones
- 1952 Formed by merger
Election record at a glance
- Contested 9 Lok Sabha general elections under this name, from 1957 to 2019.
- First won Lok Sabha seats in 1957 (19). Best result: 19 seats in 1957. Total seats won across all elections: 46.
- Highest vote share: 10.41% in 1957.
- In Tamil Nadu it has contested 3 Lok Sabha elections without winning a seat.
Lok Sabha record, 1952–2024
In Tamil Nadu
Lok Sabha 2024 — state-wise
Lok Sabha MPs elected in 2024
Rajya Sabha members now
Sources: Election Commission of India (Lok Sabha results 1951–2024); Digital Sansad (Rajya Sabha). Vote share = party votes ÷ all votes polled (incl. NOTA from 2014). Party history is a short summary.