Bisfi

Demographic profile

There were a total of 326870 registered voters on the electoral rolls for the 2025 Assembly election in Bisfi Assembly constituency, of which 172027 were male, 154815 female and 28 of the third gender. In the 2020 Assembly elections, there were a total of 328098 registered voters, of which 170166 were male, 157900 female and 32 from the third gender. In the 2015 Assembly elections, there were a total of 303581 registered voters, of which 157572 were male, 146001 female and 132 from the third gender. In 2010 elections, there were a total of 243560 registered voters in this constituency, of which 133180 were male and 110380 female and 102 from the third gender.

The number of service voters in this Assembly constituency was 215 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 900, in 2020 it was 928, 927 in 2015, and 829 in 2010.

Poll dates

Bisfi 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.

Extent

Assembly constituency no.35. Bisfi comprises of the following areas of Madhubani district in the Mithila region of Bihar: CD Block Bisfi; Gram Panchayats Satlakha, Rahika, Saurath, Najirpur, Jagatpur, Kakraul North, Kakraul South, Malangia, Basauli, Sapta, Ijra & Hasanpur of Madhubani CD Block

This constituency covers an approximate area of 257.04 square kilometers and the geographic coordinates of Bisfi is: 26°21'06.1"N 85°56'27.2"E.

A total of five Assembly constituencies in the state of Bihar share borders with Bisfi constituency, which are: Benipatti, Jale, Keoti, Madhubani, Rajnagar. This constituency shares an inter-state border with .

Voter turnout

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Bisfi constituency was 62.86%. In 2020, this seat registered a turnout of 54.63%, while it was 52.7% in 2015, and 47.26% in 2010.

Total voters

Victory margin

In the 2020 Bihar Assembly elections, Haribhushan Thakur "Bachol" of BJP won in this constituency beating Da. Faiyaz Ahmad of RJD by a margin of 10282 votes which was 5.74% of the total votes cast. In 2015, Faiyaz Ahmad of RJD was the winner in this seat beating Manoj Kumar Yadav (Bhoj Pandaul) of BLSP by a margin of 35325 votes which was 22.08% of the total votes polled in the constituency. In the 2010 Assembly elections, Dr Faiyaj Ahmad of RJD won this seat defeating Hari Bhushan Thakur of JDU by a margin of 9501 votes which was 8.25% of the total votes polled for the seat.

Winner vote share (%)

In the 2020 Bihar Assembly elections, Haribhushan Thakur "Bachol" of BJP had a vote share of 48.43% in this seat. In the 2015 Assembly elections, Faiyaz Ahmad of RJD got a vote share of 44.37% , In the 2010 Assembly elections, Dr Faiyaj Ahmad of RJD got a vote share of 40.98% in Bisfi.