ROSERA
Assembly seat no. 139 in Bihar · reserved for Scheduled Castes · Vidhan Sabha seat contested 16 times since 1962.
Bihar also has a Lok Sabha constituency called ROSERA. It is a different territory with a different electorate — see its 12 results.
Winner, 2025
Birendra Kumar
BJP
Elections held
16
1962–2025
Most successful party
BJP
won 3 of 16
Margin, 2025
50,533
22.64% of valid votes
Result, 2025
Runner-up
INCBraj Kishore Ravi
- Votes
- 72,240
- Vote share
- 32.37%
- Behind by
- 50,533
Electors
3,31,466
Total votes polled
2,23,149
Valid votes
2,23,149
NOTA votes
3,016
1.35% of votes polled
Turnout
67.3%
Full result, 2025
6 candidates · 2,23,149 valid votes
Birendra KumarBJPwon
1,22,773
55.0%
Braj Kishore RaviINC
72,240
32.4%
Rohit KumarJNSRJP
14,913
6.7%
Rajesh Kumar PaswanIND
3,885
1.7%
Devendra Kumar PaswanBTMSP
3,574
1.6%
Amit Kumar BaithaBSP
2,748
1.2%
Past results
Most recent 5 of 16 elections
| Year | Winner | Party | Votes | Vote share | Runner-up | Margin |
|---|---|---|---|---|---|---|
| 2025 | Birendra Kumar | BJP | 1,22,773 | 55.02% | Braj Kishore Ravi | 50,533 |
| 2020 | BIRENDRA KUMAR | BJP | 87,163 | 47.93% | NAGENDRA KUMAR VIKAL | 35,744 |
| 2015 | DR. ASHOK KUMAR | INC | 85,506 | 52.59% | MANJU HAZARI | 34,361 |
| 2010 | MANJU HAJARI | BJP | 57,930 | 45.29% | PITAMBER PASWAN | 12,119 |
| Nov 2005 | GAJENDRA PRASAD SINGH | RJD | 38,142 | 38.96% | ASHOK KUMAR | 3,132 |
Who has held it
Wins by party across every election above

