| Year | Winner | Runner |
|---|---|---|
| 2020 |
Gopal Ravidas (CPI(ML)(L)) |
Arun Manjhi (JD(U)) |
| 2015 |
Shyam Rajak (JD(U)) |
Rajeshwar Manjhi (HAM(S)) |
CPI(ML)(L)
JD(U)