Sugauli

The geographic coordinates of Sugauli Assembly constituency are: 26°46'33.2"N 84°46'22.1"E. This constituency falls in Purvi Champaran district of Bihar and in the Tirhut region. Sugauli shares its borders with six other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Sugauli are: Raxaul, Sikta, Chanpatia, Bettiah, Harsidhi, Narkatia. This constituency shares an inter-state border with .

There were a total of 281851 registered voters on the electoral rolls for the 2025 Assembly election in Sugauli Assembly constituency, of which 150231 were male, 131609 female and 11 of the third gender. In the 2020 Assembly elections, there were a total of 287461 registered voters, of which 153484 were male, 133962 female and 15 from the third gender. In the 2015 Assembly elections, there were a total of 259861 registered voters, of which 140654 were male, 119198 female and 127 from the third gender. In 2010 elections, there were a total of 204928 registered voters in this constituency, of which 110083 were male and 94845 female and 67 from the third gender.

The number of service voters in this Assembly constituency was 696 in 2020, 9 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 876, in 2020 it was 873, 847 in 2015, and 862 in 2010.

Sugauli 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 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.11. Sugauli comprises of the following areas of Purvi Champaran district in the Tirhut region of Bihar: CD Blocks Ramgarhwa & Sugauli.

This constituency covers an approximate area of 329.51 square kilometers and the geographic coordinates of Sugauli is: 26°46'33.2"N 84°46'22.1"E.

A total of six Assembly constituencies in the state of Bihar share borders with Sugauli constituency, which are: Raxaul, Sikta, Chanpatia, Bettiah, Harsidhi, Narkatia. 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 Sugauli constituency was 69.93%. In 2020, this seat registered a turnout of 59.36%, while it was 59.84% in 2015, and 55.32% in 2010.

In the 2020 Bihar Assembly elections, Er. Shashi Bhushan Singh of RJD won in this constituency beating Ramchandra Sahni of VIP by a margin of 3447 votes which was 2.02% of the total votes cast. In 2015, Ramchandra Sahni of BJP was the winner in this seat beating Om Prakash Choudhary of RJD by a margin of 7756 votes which was 4.99% of the total votes polled in the constituency. In the 2010 Assembly elections, Ramchandra Sahani of BJP won this seat defeating Vijay Prasad Gupta of RJD by a margin of 12379 votes which was 10.92% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Er. Shashi Bhushan Singh of RJD had a vote share of 38.26% in this seat. In the 2015 Assembly elections, Ramchandra Sahni of BJP got a vote share of 40.12% , In the 2010 Assembly elections, Ramchandra Sahani of BJP got a vote share of 34.42% in Sugauli.