Obra

Demographic profile

There were a total of 317713 registered voters on the electoral rolls for the 2025 Assembly election in Obra Assembly constituency, of which 168255 were male, 149448 female and 10 of the third gender. In the 2020 Assembly elections, there were a total of 318098 registered voters, of which 170052 were male, 148034 female and 12 from the third gender. In the 2015 Assembly elections, there were a total of 291647 registered voters, of which 156944 were male, 134693 female and 831 from the third gender. In 2010 elections, there were a total of 232406 registered voters in this constituency, of which 125569 were male and 106837 female and 565 from the third gender.

The number of service voters in this Assembly constituency was 1212 in 2020, 10 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 888, in 2020 it was 871, 858 in 2015, and 851 in 2010.

Poll dates

Obra 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 1 on Wednesday, October 28, 2020 and the results were declared on Tuesday, November 10, 2020.

In the 2015 state Assembly elections, this seat voted in Phase 2 on Friday, October 16, 2015 and the results were declared on Sunday, November 8, 2015.

In the 2010 polls, this constituency voted in Phase 6 on Saturday, November 20, 2010 and the results were declared on Wednesday, November 24, 2010.

Extent

Assembly constituency no.220. Obra comprises of the following areas of Aurangabad district in the Magadh region of Bihar: CD Blocks Obra & Daudnagar

This constituency covers an approximate area of 433.43 square kilometers and the geographic coordinates of Obra is: 24°59'04.6"N 84°24'27.0"E.

A total of seven Assembly constituencies in the state of Bihar share borders with Obra constituency, which are: Nokha, Arwal, Goh, Rafiganj, Aurangabad, Nabinagar, Dehri. This constituency shares an inter-state border with .

Voter turnout

According to data released by the Election Commission of India, In 2020, this seat registered a turnout of 55.06%, while it was 55.16% in 2015, and 56.05% in 2010.

Total voters

Victory margin

In the 2020 Bihar Assembly elections, Rishi Kumar of RJD won in this constituency beating Prakash Chandra of LJP by a margin of 22668 votes which was 12.9% of the total votes cast. In 2015, Birendra Kumar Sinha of RJD was the winner in this seat beating Chandra Bhushan Verma of BLSP by a margin of 11396 votes which was 7.09% of the total votes polled in the constituency. In the 2010 Assembly elections, Somprakash Singh of IND won this seat defeating Pramod Singh Chadravanshi of JDU by a margin of 802 votes which was 0.62% of the total votes polled for the seat.

Winner vote share (%)

In the 2020 Bihar Assembly elections, Rishi Kumar of RJD had a vote share of 36.24% in this seat. In the 2015 Assembly elections, Birendra Kumar Sinha of RJD got a vote share of 34.86% , In the 2010 Assembly elections, Somprakash Singh of IND got a vote share of 28.27% in Obra.