CPI
The table below lists Communist Party of India (CPI) candidates, their total votes, vote share and final position in Jainagar Lok Sabha Constituency in Bihar.
| Election year | Candidate Name | Votes Received | Vote Share (%) | Position | Status |
|---|---|---|---|---|---|
| 1971 | Bhogendra Jha | 119,333 | 35.05 | 1 | Won |
| 1967 | B. Jha | 154,080 | 51.17 | 1 | Won |
| 1962 | Bhogendra Jha | 71,810 | 34.9 | 2 | Lost |
| 1957 | Bhogendra Jha | 72,359 | 40.47 | 2 | Lost |