Laukaha

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.

There were a total of 335308 registered voters on the electoral rolls for the 2025 Assembly election in Laukaha Assembly constituency, of which 177004 were male, 158297 female and 7 of the third gender. In the 2020 Assembly elections, there were a total of 341847 registered voters, of which 178326 were male, 163512 female and 9 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 159 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 2025 was 894, in 2020 it was 917, 922 in 2015, and 895 in 2010.

Laukaha Assembly constituency will go to the polls in Phase 2 of the 2025 Bihar Assembly elections on Tuesday, November 11, 2025. The counting of votes is on Friday, November 14, 2025.

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.

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.

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Laukaha constituency was 68.1%. In 2020, this seat registered a turnout of 61.15%, while it was 59.26% in 2015, and 52.71% in 2010.

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.

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.