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40. Laukaha 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 Madhubani district of Bihar. The reservation status of this constituency is: General. 40. Laukaha Assembly constituency is part of the 7. Jhanjharpur (General) Lok Sabha constituency and can be classified as Rural.


Location

The geographic coordinates of Laukaha Assembly constituency are: 26°27'07.6"N 86°32'44.9"E. This constituency falls in Madhubani district of Bihar and in the Mithila region. Laukaha shares its borders with three other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Laukaha are: Babubarhi, Phulparas, Nirmali. This constituency shares an inter-state border with Nepal.

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Laukaha Assembly election results

2020
PartyParty votes polledVotes %Candidate name
RJD78,52337.57%
Bharat Bhushan Mandal
Winner
Margin:
10,077 (4.821%)
Winner
JDU68,44632.75%Lakshmeshwar Ray
LJP30,49414.59%Pramod Kumar Priyedarshi
IND6,3193.02%Dinesh Gupta
SJDD4,9302.36%Alok Kumar Yadav
IND4,7032.25%Baleshwar Gurmaita
NOTA4,4862.15%Nota
JAPL2,4601.18%Lalit Kumar Mahto
IND1,8060.86%Indradev Jee
PBI1,6670.8%Bhola Paswan
2015
2010

Demographic profile

In the 2020 Assembly elections, there were a total of 335112 registered voters, of which 173875 were male, 161069 female and 159 from the third gender. In the 2015 Assembly elections, there were a total of 309266 registered voters, of which 160913 were male, 148347 female and 32 from the third gender. In 2010 elections, there were a total of 260675 registered voters in this constituency, of which 137592 were male and 123083 female and 29 from the third gender.

The number of service voters in this Assembly constituency was 9 in 2020, 6 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2020 was 926, 922 in 2015, and 895 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.40. Laukaha comprises of the following areas of Madhubani district in the Mithila region of Bihar: CD Blocks Laukaha & Laukahi; Gram Panchayats Bathnaha, Gohumabairia, Saini, Dhanouja, Sugapatti, Kalapatti & Siswar of Phulparas CD Block.

This constituency covers an approximate area of 536.04 square kilometers and the geographic coordinates of Laukaha is: 26°27'07.6"N 86°32'44.9"E.

A total of three Assembly constituencies in the state of Bihar share borders with Laukaha constituency, which are: Babubarhi, Phulparas, Nirmali. 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 60.82%, while it was 59.26% in 2015, and 52.71% in 2010.

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Total voters

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Victory margin

In the 2020 Bihar Assembly elections, Bharat Bhushan Mandal of RJD won in this constituency beating Lakshmeshwar Ray of JDU by a margin of 10077 votes which was 4.82% of the total votes cast. In 2015, Lakshmeshwar Roy of JDU was the winner in this seat beating Pramod Kumar Priyedarshi of BJP by a margin of 23833 votes which was 13.01% of the total votes polled in the constituency. In the 2010 Assembly elections, Hari Prasad Sah of JDU won this seat defeating Chitaranjan Prasad Yadav of RJD by a margin of 17566 votes which was 12.79% of the total votes polled for the seat.

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Winner vote share (%)

In the 2020 Bihar Assembly elections, Bharat Bhushan Mandal of RJD had a vote share of 37.57% in this seat. In the 2015 Assembly elections, Lakshmeshwar Roy of JDU got a vote share of 43.64% , In the 2010 Assembly elections, Hari Prasad Sah of JDU got a vote share of 34.83% in Laukaha.

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Phulparas
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Nirmali

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

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

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40. Laukaha

CONSTITUENCY DETAILS
Reservation status:General
Constituency type:Rural
State:Bihar
District(s):Madhubani
Region (India):East
Region (State):Mithila
Lok Sabha constituency:Jhanjharpur
2025 ASSEMBLY ELECTIONS
Total voters:350137
Male voters:181759
Female voters:168368
Third gender voters:10
Electorate gender ratio:926
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