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137. Mohiuddinnagar is one of the 70 Assembly (Vidhan Sabha) constituencies in Bihar. This constituency is located in the Mithila region. Bihar is located in the East region of India. This seat can be classified as: Rural and falls in the Samastipur district of Bihar. The reservation status of this constituency is: General. 137. Mohiuddinnagar Assembly constituency is part of the 22. Ujiarpur (General) Lok Sabha constituency and can be classified as Rural.


Location

The geographic coordinates of Mohiuddinnagar Assembly constituency are: 25°33'18.7"N 85°38'37.3"E. This constituency falls in Samastipur district of Bihar and in the Mithila region. Mohiuddinnagar shares its borders with seven other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Mohiuddinnagar are: Morwa, Sarairanjan, Mahnar, Bachhwara, Mokama, Barh, Bakhtiarpur. This constituency shares an inter-state border with .

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Mohiuddinnagar Assembly election results

2020
PartyParty votes polledVotes %Candidate name
BJP70,38547.51%
Rajesh Kumar Singh
Winner
Margin:
15,114 (10.201%)
Winner
RJD55,27137.31%Ejya Yadav
JAPL5,7523.88%Ajay Kumar Bulganin
IND3,2552.2%Arun Kumar Singh
IND2,9381.98%Nagendra Singh
IND2,5671.73%Dinakar Prasad Yadav
IND1,6521.12%Mahendra Ray
IND1,1000.74%Vishwa Nath Sah
BMUP9560.65%Virendra Kumar Ajay
IND6110.41%Sudhir Kumar Ray
2015
2010

Demographic profile

In the 2020 Assembly elections, there were a total of 258554 registered voters, of which 138238 were male, 119292 female and 1014 from the third gender. In the 2015 Assembly elections, there were a total of 237075 registered voters, of which 128567 were male, 108508 female and 605 from the third gender. In 2010 elections, there were a total of 199256 registered voters in this constituency, of which 107198 were male and 92058 female and 295 from the third gender.

The number of service voters in this Assembly constituency was 10 in 2020, 0 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2020 was 863, 844 in 2015, and 859 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 1 on Monday, October 12, 2015 and the results were declared on Sunday, November 8, 2015.

In the 2010 polls, this constituency voted in Phase 2 on Sunday, October 24, 2010 and the results were declared on Wednesday, November 24, 2010.


Extent

Assembly constituency no.137. Mohiuddinnagar comprises of the following areas of Samastipur district in the Mithila region of Bihar: CD Blocks Mohiuddinnagar & Mohanpur; Gram Panchayats Tara Dhamaun, Uttri Dhamaun, Dakshini Dhamaun, Inayatpur, Hettanpur, Rupauli, Chaksaho, Harpur Saidabad & Seora of Patori CD Block.

This constituency covers an approximate area of 304.91 square kilometers and the geographic coordinates of Mohiuddinnagar is: 25°33'18.7"N 85°38'37.3"E.

A total of seven Assembly constituencies in the state of Bihar share borders with Mohiuddinnagar constituency, which are: Morwa, Sarairanjan, Mahnar, Bachhwara, Mokama, Barh, Bakhtiarpur. 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 56.03%, while it was 52.55% in 2015, and 52.75% in 2010.

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Total voters

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Victory margin

In the 2020 Bihar Assembly elections, Rajesh Kumar Singh of BJP won in this constituency beating Ejya Yadav of RJD by a margin of 15114 votes which was 10.2% of the total votes cast. In 2015, Ejya Yadav of RJD was the winner in this seat beating Rajesh Kumar Singh of IND by a margin of 23431 votes which was 18.81% of the total votes polled in the constituency. In the 2010 Assembly elections, Rana Gangeshwar Singh of BJP won this seat defeating Ajay Kumar Bulganin of RJD by a margin of 14351 votes which was 13.65% of the total votes polled for the seat.

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Winner vote share (%)

In the 2020 Bihar Assembly elections, Rajesh Kumar Singh of BJP had a vote share of 47.51% in this seat. In the 2015 Assembly elections, Ejya Yadav of RJD got a vote share of 37.83% , In the 2010 Assembly elections, Rana Gangeshwar Singh of BJP got a vote share of 49.24% in Mohiuddinnagar.

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

Last Updated: October 16, 2025 at 05:11 PM IST

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137. Mohiuddinnagar

CONSTITUENCY DETAILS
Reservation status:General
Constituency type:Rural
State:Bihar
District(s):Samastipur
Region (India):East
Region (State):Mithila
Lok Sabha constituency:Ujiarpur
Alternate name:Sheher Dharhara
2025 ASSEMBLY ELECTIONS
Total voters:268014
Male voters:141185
Female voters:126826
Third gender voters:3
Electorate gender ratio:898
Poll phase:1
Poll date:November 6, 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