Harlakhi

The geographic coordinates of Harlakhi Assembly constituency are: 26°32'23.6"N 85°53'51.4"E. This constituency falls in Madhubani district of Bihar and in the Mithila region. Harlakhi shares its borders with three other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Harlakhi are: Sursand, Benipatti, Khajauli. This constituency shares an inter-state border with Nepal.

There were a total of 274256 registered voters on the electoral rolls for the 2025 Assembly election in Harlakhi Assembly constituency, of which 146526 were male, 127713 female and 17 of the third gender. In the 2020 Assembly elections, there were a total of 290847 registered voters, of which 152505 were male, 138322 female and 20 from the third gender. In the 2015 Assembly elections, there were a total of 258296 registered voters, of which 135504 were male, 122784 female and 70 from the third gender. In 2010 elections, there were a total of 218983 registered voters in this constituency, of which 117183 were male and 101800 female and 54 from the third gender.

The number of service voters in this Assembly constituency was 201 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 2025 was 872, in 2020 it was 907, 906 in 2015, and 869 in 2010.

Harlakhi 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.31. Harlakhi comprises of the following areas of Madhubani district in the Mithila region of Bihar: CD Blocks Madhwapur & Harlakhi; Gram Panchayats Karhara, Samada, Salha, Teoth, Mahamadpur, Betauna & Manpaur of Benipatti CD Block.

This constituency covers an approximate area of 305.02 square kilometers and the geographic coordinates of Harlakhi is: 26°32'23.6"N 85°53'51.4"E.

A total of three Assembly constituencies in the state of Bihar share borders with Harlakhi constituency, which are: Sursand, Benipatti, Khajauli. 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 Harlakhi constituency was 65.81%. In 2020, this seat registered a turnout of 57.53%, while it was 56.23% in 2015, and 51.28% in 2010.

In the 2020 Bihar Assembly elections, Sudhanshu Shekhar of JDU won in this constituency beating Ram Naresh Pandey of CPI by a margin of 17593 votes which was 10.52% of the total votes cast. In 2015, Basant Kumar of BLSP was the winner in this seat beating Mohammad Shabbir of INC by a margin of 3892 votes which was 2.69% of the total votes polled in the constituency. In the 2010 Assembly elections, Shaligram Yadav of JDU won this seat defeating Ram Naresh Pandey of CPI by a margin of 6659 votes which was 5.93% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Sudhanshu Shekhar of JDU had a vote share of 36.1% in this seat. In the 2015 Assembly elections, Basant Kumar of BLSP got a vote share of 27.93% , In the 2010 Assembly elections, Shaligram Yadav of JDU got a vote share of 26.97% in Harlakhi.