Mahishi

The geographic coordinates of Mahishi Assembly constituency are: 25°57'15.5"N 86°28'59.2"E. This constituency falls in Saharsa district of Bihar and in the Koshi region. Mahishi shares its borders with seven other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Mahishi are: Bihariganj, Nirmali, Rajnagar, Mahishi, Kusheshwar Asthan, Sonbarsha, Saharsa. This constituency shares an inter-state border with .

There were a total of 286711 registered voters on the electoral rolls for the 2025 Assembly election in Mahishi Assembly constituency, of which 150071 were male, 136637 female and 3 of the third gender. In the 2020 Assembly elections, there were a total of 298343 registered voters, of which 152841 were male, 145498 female and 4 from the third gender. In the 2015 Assembly elections, there were a total of 272352 registered voters, of which 140335 were male, 132015 female and 217 from the third gender. In 2010 elections, there were a total of 222769 registered voters in this constituency, of which 115888 were male and 106881 female and 157 from the third gender.

The number of service voters in this Assembly constituency was 439 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 910, in 2020 it was 952, 941 in 2015, and 922 in 2010.

Mahishi Assembly constituency will go to the polls in Phase 1 of the 2025 Bihar Assembly elections on Thursday, November 6, 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.77. Mahishi comprises of the following areas of Saharsa district in the Koshi region of Bihar: CD Blocks Nauhatta & Sattar Katiya; Gram Panchayats Baghwa, Birgaun, Manwar, Telwa West, Telwa East, Bhalahi, Kundah, Mahisarho, Telhar, Pastpar & Arapatti of Mahishi CD Block.

This constituency covers an approximate area of 418.39 square kilometers and the geographic coordinates of Mahishi is: 25°57'15.5"N 86°28'59.2"E.

A total of seven Assembly constituencies in the state of Bihar share borders with Mahishi constituency, which are: Bihariganj, Nirmali, Rajnagar, Mahishi, Kusheshwar Asthan, Sonbarsha, Saharsa. 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 Mahishi constituency was 70.12%. In 2020, this seat registered a turnout of 58.81%, while it was 53.47% in 2015, and 52.69% in 2010.

In the 2020 Bihar Assembly elections, Gunjeshwar Sah of JDU won in this constituency beating Gautam Krishna of RJD by a margin of 1630 votes which was 0.93% of the total votes cast. In 2015, Dr Abdul Ghafoor of RJD was the winner in this seat beating Chandan Kumar Sah of BLSP by a margin of 26135 votes which was 17.95% of the total votes polled in the constituency. In the 2010 Assembly elections, Dr Abdul Gafoor of RJD won this seat defeating Raj Kumar Sah of JDU by a margin of 1717 votes which was 1.46% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Gunjeshwar Sah of JDU had a vote share of 37.83% in this seat. In the 2015 Assembly elections, Dr Abdul Ghafoor of RJD got a vote share of 38.77% , In the 2010 Assembly elections, Dr Abdul Gafoor of RJD got a vote share of 33.39% in Mahishi.