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45. Chhatapur is one of the 70 Assembly (Vidhan Sabha) constituencies in Bihar. This constituency is located in the Koshi region. Bihar is located in the East region of India. This seat can be classified as: Rural and falls in the Supaul district of Bihar. The reservation status of this constituency is: General. 45. Chhatapur Assembly constituency is part of the 8. Supaul (General) Lok Sabha constituency and can be classified as Rural.


Location

The geographic coordinates of Chhatapur Assembly constituency are: 26°20'52.8"N 86°59'57.1"E. This constituency falls in Supaul district of Bihar and in the Koshi region. Chhatapur shares its borders with three other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Chhatapur are: Nirmali, Triveniganj, Narpatganj. This constituency shares an inter-state border with Nepal.

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Chhatapur Assembly election results

2020
PartyParty votes polledVotes %Candidate name
BJP93,75546.39%
Neeraj Kumar Singh
Winner
Margin:
20,635 (10.211%)
Winner
RJD73,12036.18%Vipin Kumar Singh
IND4,2742.11%Deo Narayan Sada
JAPL3,6591.81%Sanjeev Mishra
IND3,5261.74%Arun Kumar Azad
IND3,2871.63%Nasiblal Sada
IND2,5311.25%Baban Singh
IND2,0881.03%Dayanand Mishra
AIMIM1,9900.98%Alam
BSP1,7610.87%Mohammad Matin Ansari
2015
2010

Demographic profile

In the 2020 Assembly elections, there were a total of 292902 registered voters, of which 153879 were male, 138806 female and 210 from the third gender. In the 2015 Assembly elections, there were a total of 263253 registered voters, of which 139616 were male, 123629 female and 32 from the third gender. In 2010 elections, there were a total of 212216 registered voters in this constituency, of which 112814 were male and 99402 female and 27 from the third gender.

The number of service voters in this Assembly constituency was 7 in 2020, 8 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2020 was 902, 885 in 2015, and 881 in 2010.

Poll dates

In the 2020 state Assembly elections, this seat voted in Phase 3 on Saturday, November 7, 2020 and the results were declared on Tuesday, November 10, 2020.

In the 2015 state Assembly elections, this seat voted in Phase 5 on Thursday, November 5, 2015 and the results were declared on Sunday, November 8, 2015.

In the 2010 polls, this constituency voted in Phase 1 on Thursday, October 21, 2010 and the results were declared on Wednesday, November 24, 2010.


Extent

Assembly constituency no.45. Chhatapur comprises of the following areas of Supaul district in the Koshi region of Bihar: CD Blocks Basantpur & Chhatapur.

This constituency covers an approximate area of 523.74 square kilometers and the geographic coordinates of Chhatapur is: 26°20'52.8"N 86°59'57.1"E.

A total of three Assembly constituencies in the state of Bihar share borders with Chhatapur constituency, which are: Nirmali, Triveniganj, Narpatganj. This constituency shares an inter-state border with Nepal.

Voter turnout

According to data released by the Election Commission of India, In 2020, this seat registered a turnout of 66.2%, while it was 65.79% in 2015, and 64.42% in 2010.

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Total voters

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Victory margin

In the 2020 Bihar Assembly elections, Neeraj Kumar Singh of BJP won in this constituency beating Vipin Kumar Singh of RJD by a margin of 20635 votes which was 10.21% of the total votes cast. In 2015, Niraj Kumar Singh of BJP was the winner in this seat beating Jahur Alam of RJD by a margin of 9292 votes which was 5.37% of the total votes polled in the constituency. In the 2010 Assembly elections, Neeraj Kumar Singh of JDU won this seat defeating Akeel Ahmad of RJD by a margin of 23730 votes which was 17.36% of the total votes polled for the seat.

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Winner vote share (%)

In the 2020 Bihar Assembly elections, Neeraj Kumar Singh of BJP had a vote share of 46.39% in this seat. In the 2015 Assembly elections, Niraj Kumar Singh of BJP got a vote share of 43.71% , In the 2010 Assembly elections, Neeraj Kumar Singh of JDU got a vote share of 48.93% in Chhatapur.

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Triveniganj
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Narpatganj

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

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

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45. Chhatapur

CONSTITUENCY DETAILS
Reservation status:General
Constituency type:Rural
State:Bihar
District(s):Supaul
Region (India):East
Region (State):Koshi
Lok Sabha constituency:Supaul
2025 ASSEMBLY ELECTIONS
Total voters:340884
Male voters:176670
Female voters:164199
Third gender voters:15
Electorate gender ratio:929
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