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Assembly constituency 16 · Bihar

Kalyanpur is assembly constituency number 16 in Bihar, in Purba Champaran district, and one of the segments of the Purvi Champaran Lok Sabha seat. In the 2025 election Sachindra Prasad Singh of the Bharatiya Janata Party won with 47.8% of the vote, 15,568 votes ahead of Manoj Kumar Yadav (RJD).

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Kalyanpur · 2025AC 16
  1. 01
    Sachindra Prasad Singh
    BJP
    89,057
    47.82%
  2. 02
    Manoj Kumar Yadav
    RJD
    73,489
    39.46%
  3. 03
    Mantosh Kumar Sahni
    JNSRJP
    5,206
    2.80%
  4. 04
    Md Badiuzzaman
    BSP
    4,490
    2.41%
  5. 05
    Ashok Kumar Yadav
    Independent
    2,605
    1.40%
  6. 6 other candidates · 8,108 votesNOTA · 3,260 (1.75%)

Margin 15,568 votes · 8.36% of valid votes

2,56,338
Registered electors
2025 election
72.7%
Turnout
+10.1 pts vs 2020
15,568
Victory margin
8.4% of valid votes
Nov 2025 · candidate-wise result

All 11 candidates, ranked by votes. Vote share is of the 1,86,215 valid votes, NOTA included.

Kalyanpur 2025 assembly election result
#CandidatePartyVotesVote share
1Sachindra Prasad SinghMale · 60 yrsBJP89,057
47.82%
2Manoj Kumar YadavMale · 51 yrsRJD73,489
39.46%
3Mantosh Kumar SahniMale · 39 yrsJNSRJP5,206
2.80%
4Md BadiuzzamanMale · 37 yrsBSP4,490
2.41%
—NOTANOTA3,260
1.75%
5Ashok Kumar YadavMale · 48 yrsIndependent2,605
1.40%
6Subodh KumarMale · 46 yrsIndependent2,512
1.35%
7Arvind Kumar PandeyMale · 45 yrsLOHJD2,250
1.21%
Show 4 more candidates
8Nitesh Kumar SinghMale · 33 yrsIndependent1,626
0.87%
9Mohit KumarMale · 28 yrsJRJP624
0.34%
10Rambabu DasMale · 46 yrsAAP579
0.31%
11Rakesh Kumar PanditMale · 36 yrsIndependent517
0.28%
Past results

The seat changed hands: RJD won in 2020, BJP in 2025.

0%10%20%30%40%50%2010201520202025BJP 47.8%RJD 39.5%JNSRJP 2.8%BSP 2.4%
Vote share, % of valid votes. Hover or focus a year for exact values.
2025Sachindra Prasad SinghBJP · 47.8% · margin 15,568Turnout72.7%
2020Manoj Kumar YadavRJD · 45.4% · margin 1,193Turnout62.5%
2015Sachindra Prasad SinghBJP · 36.9% · margin 11,488Turnout59.8%
2010Razia KhatoonJD(U) · 42.5% · margin 15,402Turnout54.6%

General elections since the 2008 delimitation. Results from before the current boundaries are not compared.

Kalyanpur result 2020

Kalyanpur 2020 result
#CandidatePartyVotesVote share
1Manoj Kumar YadavRJD72,819
45.35%
2Sachindra Prasad SinghBJP71,626
44.61%
3Mohammad BadiuzzamanBSP6,367
3.97%
—NOTANOTA2,887
1.80%
4Mala ThakurJDR2,006
1.25%
5Rituraj PandeyIndependent1,797
1.12%
Show 4 more candidates
6Rajesh Kumar SinghIndependent1,623
1.01%
7Muneshwar TiwariIndependent524
0.33%
8Satyam YadavJAPL478
0.30%
9Subodh Kumar ThakurBVDU430
0.27%

Kalyanpur result 2015

Kalyanpur 2015 result
#CandidatePartyVotesVote share
1Sachindra Prasad SinghBJP50,060
36.94%
2Razia KhatoonJD(U)38,572
28.46%
3Manoj Kumar YadavSP26,430
19.50%
4Ramayan SinghCPI4,657
3.44%
—NOTANOTA4,260
3.14%
5Pintu RaniIndependent3,341
2.47%
Show 5 more candidates
6Umesh Kumar SinghIndependent2,243
1.66%
7Suresh MukhiyaBSP1,793
1.32%
8Mahtab AlamAJPR1,454
1.07%
9Brajesh OjhaSKLP1,393
1.03%
10Pramod GiriGJDS1,320
0.97%

Kalyanpur result 2010

Kalyanpur 2010 result
#CandidatePartyVotesVote share
1Razia KhatoonJD(U)41,163
42.49%
2Manoj Kumar YadavRJD25,761
26.59%
3Ramayan SinghCPI7,400
7.64%
4Rajeshwar Prasad SinghBSP6,937
7.16%
5Brijesh OjhaIndependent3,858
3.98%
6Arpana DeviIndependent3,102
3.20%
Show 6 more candidates
7Md. Anwar Alam AnsariINC3,060
3.16%
8Mukesh PrasadSJP(R)1,953
2.02%
9Ashok KumarIndependent1,016
1.05%
10Asrar AlamNCP956
0.99%
11Prabhakar YadavIndependent914
0.94%
12Ashok Kumar RamSP751
0.78%
Map

Kalyanpur outlined in orange among the other Bihar seats, coloured by the party that won each in 2025. Click any seat to open its page.

Other seats in Purba Champaran district

Boundaries are approximate (DataMeet, from ECI polling-station maps) and are for orientation only.

BJPJD(U)RJDLJPRVINCAIMIMOthers
Lok Sabha 2024 in this segment

Kalyanpur is one of the assembly segments of Purvi Champaran. These are the EVM votes counted in this segment for the leading Purvi Champaran candidates.

  • Radha Mohan SinghBJP83,104 51.6%
  • Dr Rajesh KumarVSIP69,090 42.9%
  • Mohammad Ajmer AlamIndependent1,977 1.2%
  • Vijay Kumar SahaniRJBP1,324 0.8%
  • Rajesh SinghIndependent1,123 0.7%

In the assembly election BJP won this seat. In the Lok Sabha vote, BJP led here by 14,014 EVM votes.

Open Purvi Champaran Lok Sabha result
Data & field work for this seat

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FAQ

Answers use the official Election Commission of India results for Kalyanpur.

Who won the Kalyanpur assembly seat in 2025?

Sachindra Prasad Singh of the Bharatiya Janata Party (BJP) won Kalyanpur in the 2025 Bihar assembly election with 89,057 votes, which was 47.82% of the valid votes polled.

What was the victory margin in Kalyanpur?

The margin was 15,568 votes (8.36% of valid votes). The runner-up was Manoj Kumar Yadav of the Rashtriya Janata Dal with 73,489 votes.

What was the voter turnout in Kalyanpur in 2025?

Turnout was 72.66%: 1,86,265 of 2,56,338 registered electors voted, across 298 polling stations. That is 10.1 points higher than in 2020.

Which Lok Sabha constituency is Kalyanpur part of?

Kalyanpur is an assembly segment of the Purvi Champaran Lok Sabha constituency in Bihar. In the 2024 Lok Sabha election, Radha Mohan Singh got the most EVM votes in this segment.

Is Kalyanpur a reserved constituency?

No. Kalyanpur is a general (unreserved) seat, so any eligible candidate can contest.

When is the next assembly election in Kalyanpur?

The Bihar assembly elected in 2025 completes its five-year term in 2030, so the next general election is due by then unless the assembly is dissolved early. The Election Commission of India announces the exact schedule.

Source: Election Commission of India, statistical reports for the Bihar assembly elections of 2025 and 2020 and 2015 and 2010 (2025 report) — detailed results and constituency data summary. Lok Sabha figures: ECI 2024 report 34, assembly segment details. Vote share is of valid votes including NOTA. Party names as listed by ECI. Candidate names are shown as filed; spelling follows ECI.

Related data

Each page below is built from an official source and credited on the page.