Harsidhi

The geographic coordinates of Harsidhi Assembly constituency are: 26°37'07.3"N 84°45'59.4"E. This constituency falls in Purvi Champaran district of Bihar and in the Tirhut region. Harsidhi shares its borders with seven other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Harsidhi are: Narkatia, Sugauli, Bettiah, Govindganj, Kesaria, Kalyanpur, Motihari. This constituency shares an inter-state border with .

There were a total of 273087 registered voters on the electoral rolls for the 2025 Assembly election in Harsidhi Assembly constituency, of which 143810 were male, 129277 female and 0 of the third gender. In the 2020 Assembly elections, there were a total of 267915 registered voters, of which 140836 were male, 127073 female and 6 from the third gender. In the 2015 Assembly elections, there were a total of 234837 registered voters, of which 126299 were male, 108536 female and 48 from the third gender. In 2010 elections, there were a total of 187089 registered voters in this constituency, of which 99507 were male and 87582 female and 41 from the third gender.

The number of service voters in this Assembly constituency was 386 in 2020, 2 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 899, in 2020 it was 902, 859 in 2015, and 880 in 2010.

Harsidhi 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 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 4 on Sunday, November 1, 2015 and the results were declared on Sunday, November 8, 2015.

In the 2010 polls, this constituency voted in Phase 3 on Thursday, October 28, 2010 and the results were declared on Wednesday, November 24, 2010.

Assembly constituency no.13. Harsidhi comprises of the following areas of Purvi Champaran district in the Tirhut region of Bihar: CD Blocks Turkaulia & Harsidhi.

This constituency covers an approximate area of 319.18 square kilometers and the geographic coordinates of Harsidhi is: 26°37'07.3"N 84°45'59.4"E.

A total of seven Assembly constituencies in the state of Bihar share borders with Harsidhi constituency, which are: Narkatia, Sugauli, Bettiah, Govindganj, Kesaria, Kalyanpur, Motihari. This constituency shares an inter-state border with .

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Harsidhi constituency was 73.72%. In 2020, this seat registered a turnout of 63.56%, while it was 64.29% in 2015, and 54.89% in 2010.

In the 2020 Bihar Assembly elections, Krishnanandan Paswan of BJP won in this constituency beating Kumar Nagendra Bihari of RJD by a margin of 15685 votes which was 9.22% of the total votes cast. In 2015, Rajendra Kumar of RJD was the winner in this seat beating Krishnandan Paswan of BJP by a margin of 10267 votes which was 6.81% of the total votes polled in the constituency. In the 2010 Assembly elections, Krishana Nandan Paswan of BJP won this seat defeating Surendra Kumar Chandra Alias Satish Paswan of RJD by a margin of 18064 votes which was 17.59% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Krishnanandan Paswan of BJP had a vote share of 49.71% in this seat. In the 2015 Assembly elections, Rajendra Kumar of RJD got a vote share of 49.87% , In the 2010 Assembly elections, Krishana Nandan Paswan of BJP got a vote share of 46.87% in Harsidhi.