SIWAN
Assembly seat no. 105 in Bihar · Vidhan Sabha seat contested 16 times since 1962.
Bihar also has a Lok Sabha constituency called SIWAN. It is a different territory with a different electorate — see its 16 results.
Every election in this seat
| Year | Winner | Runner-up | Margin | Margin % | Candidates | Turnout |
|---|---|---|---|---|---|---|
| 2025 | BJPMangal Pandey | RJDAwadh Bihari Choudhary | 9,370 | 4.92% | 13 | 59.7% |
| 2020 | RJDAWADH BIHARI CHAUDHARY | BJPOM PRAKASH YADAV | 1,973 | 1.16% | 14 | 54.4% |
| 2015 | BJPVYAS DEO PRASAD | JD(U)BABLU PRASAD | 3,534 | 2.24% | 14 | 56.1% |
| 2010 | BJPVYASDEO PRASAD | RJDAWADHVIHARI CHAUDHRY | 12,541 | 10.74% | 24 | 51.4% |
| Nov 20051973 boundaries | BJPBYASDEO PRASAD | RJDAWADH BIHARI CHAUDHARY | 3,169 | 3.18% | 10 | 48.3% |
| Feb 20051973 boundaries | RJDAWADH BIHARI CHAUDHARY | BJPVYASDEO PRASAD | 12,912 | 14.85% | 8 | 44.8% |
| 20001973 boundaries | RJDAWADH BIHARI CHAUDHARY | BJPWASI AHMAD | 89,237 | 65.35% | 12 | 74.5% |
| 19951973 boundaries | JDAWADH BIHARI CHAUDHARY | BJPVYASDEO PRASAD | 9,962 | 9.36% | 24 | 60.4% |
| 19901973 boundaries | JDAVADH BIHARI CHAUDHARY | INCSERAJUL HAQ | 17,855 | 17.32% | 23 | 55.6% |
| 19851973 boundaries | JNPAWADH BIHARI CHOUDHARY | BJPJANARDAN TIWARY | 23,032 | 27.46% | 14 | 58.9% |
| 19801973 boundaries | BJPJANARDAN TIWARY | INC(U)AWADH BIHAR CHOUDHARY | 15,139 | 19.96% | 9 | 59.7% |
| 19771973 boundaries | JNPGHULAM SARWAR | INCSEROJUL HAGUE | 8,112 | 14.59% | 10 | 48.8% |
| 19721966 boundaries | BJSJANARDAN TIWARY | INCRAJARAM CHAUDHURY | 4,147 | 7.20% | 7 | 53.7% |
| 19691966 boundaries | BJSJANARDAN TIWARY | INCRAJA RAM CHAUDHRY | 7,335 | 13.62% | 6 | 54.4% |
| 19671966 boundaries | INCR. CHOWDHRY | BJSJ.TIWARI | 562 | 1.20% | 8 | 50.6% |
| 19621961 boundaries | JSJANARDAN TIWARI | INCSHANKAR NATH VIDYARTHI | 9,683 | 22.73% | 3 | 51.6% |
Rows are matched by assembly constituency name within the state, so a seat that survived a delimitation keeps one continuous page. Where a year’s boundaries differ from the present ones the row says so — the name is the same, the territory is not.
Frequently asked
Straight answers to the questions this page exists to answer.
Who won the SIWAN assembly constituency in 2025?
Mangal Pandey (BJP) won SIWAN in 2025, by a margin of 9,370 votes.
Which party has won SIWAN the most times?
BJP, with 5 of the 16 wins recorded since 1962.
How many times has SIWAN gone to the polls?
16 times, from 1962 to 2025.
Who has won SIWAN the most times?
AWADH BIHARI CHAUDHARY, with 4 wins between 1995 and 2020.







