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16. Kalyanpur is one of the 70 Assembly (Vidhan Sabha) constituencies in Bihar. This constituency is located in the Tirhut region. Bihar is located in the East region of India. This seat can be classified as: Rural and falls in the Purvi Champaran district of Bihar. The reservation status of this constituency is: General. 16. Kalyanpur Assembly constituency is part of the 3. Purvi Champaran (General) Lok Sabha constituency and can be classified as Rural.


Location

The geographic coordinates of Kalyanpur Assembly constituency are: 26°26'44.2"N 84°52'56.6"E. This constituency falls in Purvi Champaran district of Bihar and in the Tirhut region. Kalyanpur shares its borders with six other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Kalyanpur are: Pipra, Motihari, Harsidhi, Govindganj, Sahebganj, Baruraj. This constituency shares an inter-state border with .

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Kalyanpur Assembly election results

2020
PartyParty votes polledVotes %Candidate name
RJD72,81945.35%
Manoj Kumar Yadav
Winner
Margin:
1,193 (0.743%)
Winner
BJP71,62644.61%Sachindra Prasad Singh
BSP6,3673.97%Mohammad Badiuzzaman
NOTA2,8871.8%Nota
JDR2,0061.25%Mala Thakur
IND1,7971.12%Rituraj Pandey
IND1,6231.01%Rajesh Kumar Singh
IND5240.33%Muneshwar Tiwari
JAPL4780.3%Satyam Yadav
BVDU4300.27%Subodh Kumar Thakur
2015
2010

Demographic profile

In the 2020 Assembly elections, there were a total of 248981 registered voters, of which 131855 were male, 116785 female and 336 from the third gender. In the 2015 Assembly elections, there were a total of 226547 registered voters, of which 121234 were male, 105308 female and 32 from the third gender. In 2010 elections, there were a total of 177339 registered voters in this constituency, of which 95197 were male and 82142 female and 29 from the third gender.

The number of service voters in this Assembly constituency was 5 in 2020, 5 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2020 was 886, 869 in 2015, and 863 in 2010.

Poll dates

In the 2020 state Assembly elections, this seat voted in Phase 2 on Tuesday, November 3, 2020 and the results were declared on Tuesday, November 10, 2020.

In the 2015 state Assembly elections, this seat voted in Phase 4 on Sunday, November 1, 2015 and the results were declared on Sunday, November 8, 2015.

In the 2010 polls, this constituency voted in Phase 3 on Thursday, October 28, 2010 and the results were declared on Wednesday, November 24, 2010.


Extent

Assembly constituency no.16. Kalyanpur comprises of the following areas of Purvi Champaran district in the Tirhut region of Bihar: CD Block Kotwa; Gram Panchayats Parsauni Wazid, Bakhri, Kalyanpur, Barharwa ahanand, Siswa Shobh, Brindaban, Pakari Dixit, Siswa Kharar, Patna, Gariba, Shambhu Chak, Sitalpur, Koela Belwa, Bhuwan Chhapra, Banshghat, North Gawandra, South Gawandra & ani Chhapra of Kalyanpur CD Block.

This constituency covers an approximate area of 314.21 square kilometers and the geographic coordinates of Kalyanpur is: 26°26'44.2"N 84°52'56.6"E.

A total of six Assembly constituencies in the state of Bihar share borders with Kalyanpur constituency, which are: Pipra, Motihari, Harsidhi, Govindganj, Sahebganj, Baruraj. This constituency shares an inter-state border with .

Voter turnout

According to data released by the Election Commission of India, In 2020, this seat registered a turnout of 62.26%, while it was 59.83% in 2015, and 54.63% in 2010.

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Total voters

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Victory margin

In the 2020 Bihar Assembly elections, Manoj Kumar Yadav of RJD won in this constituency beating Sachindra Prasad Singh of BJP by a margin of 1193 votes which was 0.74% of the total votes cast. In 2015, Sachindra Prasad Singh of BJP was the winner in this seat beating Razia Khatoon of JDU by a margin of 11488 votes which was 8.48% of the total votes polled in the constituency. In the 2010 Assembly elections, Razia Khatoon of JDU won this seat defeating Manoj Kumar Yadav of RJD by a margin of 15402 votes which was 15.9% of the total votes polled for the seat.

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Winner vote share (%)

In the 2020 Bihar Assembly elections, Manoj Kumar Yadav of RJD had a vote share of 45.35% in this seat. In the 2015 Assembly elections, Sachindra Prasad Singh of BJP got a vote share of 36.94% , In the 2010 Assembly elections, Razia Khatoon of JDU got a vote share of 42.49% in Kalyanpur.

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First Published: April 18, 2024, 05:40 IST

Last Updated: October 8, 2025 at 01:13 PM IST

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16. Kalyanpur (Purvi Champaran)

CONSTITUENCY DETAILS
Reservation status:General
Constituency type:Rural
State:Bihar
District(s):Purvi Champaran
Region (India):East
Region (State):Tirhut
Lok Sabha constituency:Purvi Champaran
2025 ASSEMBLY ELECTIONS
Total voters:263186
Male voters:138448
Female voters:124737
Third gender voters:1
Electorate gender ratio:901
Poll phase:2
Poll date:November 11, 2025
Results (Counting of votes):November 14, 2025

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Assembly cons. Results

Cons. name202020152010
Valmiki Nagar
JDU
IND
JDU
Ramnagar
BJP
BJP
BJP
Narkatiaganj
BJP
INC
BJP
Bagaha
BJP
BJP
JDU
Lauriya
BJP
BJP
IND
Nautan
BJP
BJP
JDU
Chanpatia
BJP
BJP
BJP
Bettiah
BJP
INC
BJP
Sikta
CPIMLL
JDU
IND
Raxaul
BJP
BJP
BJP