| Year | Winner | Runner |
|---|---|---|
| 2021 |
Ponakan Baruah (AGP) |
Ajoy Phukan (INC) |
| 2016 |
Binod Hazarika (BJP) |
Raju Sahu (INC) |
| 2011 |
Raju Sahu (INC) |
Binod Hazarika (BJP) |
| 2006 |
Raju Sahu (INC) |
Bhaben Boruah (AGP) |
AGP
INC
IND