The Siwan Assembly constituency remains one of the most hotly contested political battlegrounds in Bihar.
Siwan Bihar Election Result 2025: The Siwan Assembly constituency, falling in the Siwan district, is a crucial general-category seat with a history of high-intensity contests and narrow victories. In 2020, the seat went for Awadh Bihari Choudhary of the Rashtriya Janata Dal, BJP leader Mangal Pandey won the Assembly seat from Siwan in the 2025 Bihar Elections.
BJP leader Mangal Pandey has won the Siwan Assembly seat after the completion of all 26 rounds of counting, he secured 92,379 votes, finishing 9,370 votes ahead of his closest competitor.
The polling in Siwan seat is on 6 November 2025, and counting and declaration of the result is scheduled on 14 November 2025.
In 2010, Vyas Deo Prasad of the BJP won the seat, securing BJP's hold on this region.
In 2015, Vyas Deo Prasad of BJP won again, polling around 55,156 votes, or approximately 35.02%, defeating Bablu Prasad of JD(U) who got 51,622 votes, or approximately 32.78%. The margin was about 3,534 votes, underlining the seat's competitive nature.
In the 2020 Assembly election, Awadh Bihari Choudhary (RJD) received 76,785 votes (≈45.30 %) and defeated Om Prakash Yadav (BJP) who garnered 74,812 votes (≈44.13 %). The victory margin was a mere 1,973 votes, one of the slenderest in the state that year.
Awadh Bihari Choudhary is the senior RJD leader and sitting MLA from Siwan, having won the seat narrowly in 2020. His victory broke the long-standing BJP-JD(U) dominance in the seat and thus reflected the changing alliance and voter choice. He has always been known for his deep roots amongst the local electorate, with the mobilization of the support base across communities.
In the 2020 election, the Siwan assembly constituency recorded a turnout of approximately 54.42 %. Early reports for the 2025 election show a turnout of around 57.38 %, indicating a slightly higher voter turnout this time around.
In 2020, the margin of victory was 1,973 votes, indicating an extremely close contest.
It is the Siwan Assembly constituency, which is based in Siwan district, Bihar. It comes under the Siwan Lok Sabha constituency and is a general category seat. Known for its recurring close battles, the seat has seen frequent shifts between BJP, JD(U), and RJD.
In the 2020 election, Siwan had approximately 3,11,523 registered voters, of which about 1,69,519 votes were validly cast. The electorate size continues to grow with every cycle.
The Siwan Assembly constituency has been in existence since the early years of Bihar's electoral history and remains one of the key battlegrounds in the state.
The postal code for Siwan town and its immediate area is 841226.
Here is the full list of candidates contesting from Siwan Assembly constituency in Bihar Assembly Election 2025:
The above list shows a multi-cornered contest in Siwan amidst the presence of major state and national parties like RJD, BJP, JD(U), and INC, combined with emerging outfits and independents determined to shape the electoral narrative in the district.
