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70. Alamnagar 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 Madhepura district of Bihar. The reservation status of this constituency is: General. 70. Alamnagar Assembly constituency is part of the 13. Vaishali (General) Lok Sabha constituency and can be classified as Rural.


Location

The geographic coordinates of Alamnagar Assembly constituency are: 25°33'52.6"N 86°56'29.0"E. This constituency falls in Madhepura district of Bihar and in the Koshi region. Alamnagar shares its borders with six other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Alamnagar are: Rupauli, Korha, Singheshwar, Beldaur, Bihpur, Gopalpur. This constituency shares an inter-state border with .

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Alamnagar Assembly election results

2020
PartyParty votes polledVotes %Candidate name
JDU1,02,51748.17%
Narendra Narayan Yadav
Winner
Margin:
28,680 (13.476%)
Winner
RJD73,83734.69%Nabin Kumar
LJP9,2874.36%Sunila Devi
JAPL8,4663.98%Sarveshwar Prasad Singh
RLSP4,5962.16%Md. Iftekhar Alam
NOTA4,5952.16%Nota
BHJJP3,0541.43%Sudhanshu Kumar
SAP2,2541.06%Rajnandan Kumar Sinha
RJnJnP1,8280.86%Naresh Mandal
LKSHPLK1,2130.57%Prashant Kumar Jha
2015
2010

Demographic profile

In the 2020 Assembly elections, there were a total of 335681 registered voters, of which 175319 were male, 160092 female and 261 from the third gender. In the 2015 Assembly elections, there were a total of 313386 registered voters, of which 164034 were male, 149347 female and 187 from the third gender. In 2010 elections, there were a total of 263276 registered voters in this constituency, of which 139925 were male and 123351 female and 133 from the third gender.

The number of service voters in this Assembly constituency was 9 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 913, 910 in 2015, and 882 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.70. Alamnagar comprises of the following areas of Madhepura district in the Koshi region of Bihar: CD Blocks Puraini, Alamnagar & Chausa; Gram Panchayats Rahta Phanhan, Nayanagar, Sahjadpur, Lashkari, Manjor, Jotaili, Khara, Budhma & Gopalpur of Udakishunganj CD Block.

This constituency covers an approximate area of 470.01 square kilometers and the geographic coordinates of Alamnagar is: 25°33'52.6"N 86°56'29.0"E.

A total of six Assembly constituencies in the state of Bihar share borders with Alamnagar constituency, which are: Rupauli, Korha, Singheshwar, Beldaur, Bihpur, Gopalpur. 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 58.76%, while it was 61.37% in 2015, and 58.54% in 2010.

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Total voters

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Victory margin

In the 2020 Bihar Assembly elections, Narendra Narayan Yadav of JDU won in this constituency beating Nabin Kumar of RJD by a margin of 28680 votes which was 13.48% of the total votes cast. In 2015, Narendra Narayan Yadav of JDU was the winner in this seat beating Chandan Singh of LJP by a margin of 43876 votes which was 22.82% of the total votes polled in the constituency. In the 2010 Assembly elections, Narendra N Yadav of JDU won this seat defeating of INC by a margin of 42345 votes which was 27.48% of the total votes polled for the seat.

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Winner vote share (%)

In the 2020 Bihar Assembly elections, Narendra Narayan Yadav of JDU had a vote share of 48.17% in this seat. In the 2015 Assembly elections, Narendra Narayan Yadav of JDU got a vote share of 45.74% , In the 2010 Assembly elections, Narendra N Yadav of JDU got a vote share of 42.16% in Alamnagar.

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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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70. Alamnagar

CONSTITUENCY DETAILS
Reservation status:General
Constituency type:Rural
State:Bihar
District(s):Madhepura
Region (India):East
Region (State):Koshi
Lok Sabha constituency:Vaishali
2025 ASSEMBLY ELECTIONS
Total voters:372591
Male voters:195198
Female voters:177386
Third gender voters:7
Electorate gender ratio:909
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