Chapra

Demographic profile

There were a total of 323381 registered voters on the electoral rolls for the 2025 Assembly election in Chapra Assembly constituency, of which 169329 were male, 154047 female and 5 of the third gender. In the 2020 Assembly elections, there were a total of 330176 registered voters, of which 174783 were male, 155389 female and 4 from the third gender. In the 2015 Assembly elections, there were a total of 305079 registered voters, of which 166739 were male, 138336 female and 990 from the third gender. In 2010 elections, there were a total of 254790 registered voters in this constituency, of which 141978 were male and 112812 female and 386 from the third gender.

The number of service voters in this Assembly constituency was 1141 in 2020, 4 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 889, 830 in 2015, and 795 in 2010.

Poll dates

Chapra 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 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 3 on Wednesday, October 28, 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.

Extent

Assembly constituency no.118. Chapra comprises of the following areas of Saran district in the Bhojpur region of Bihar: CD Block Rivilganj; Gram Panchayats Naini, Fakuli, Karinga, Sadha, Mouna, Tenua, Barhara Mahaji & Chapra (M) of Chapra CD Block.

This constituency covers an approximate area of 200.99 square kilometers and the geographic coordinates of Chapra is: 25°46'21.7"N 84°41'34.8"E.

A total of four Assembly constituencies in the state of Bihar share borders with Chapra constituency, which are: Manjhi, Marhaura, Garkha, Barhara. This constituency shares an inter-state border with Uttar Pradesh.

Voter turnout

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Chapra constituency was 58.61%. In 2020, this seat registered a turnout of 51.09%, while it was 51.87% in 2015, and 44.91% in 2010.

Total voters

Victory margin

In the 2020 Bihar Assembly elections, Dr. C. N. Gupta of BJP won in this constituency beating Randhir Kumar Singh of RJD by a margin of 6771 votes which was 4.02% of the total votes cast. In 2015, Dr C N Gupta of BJP was the winner in this seat beating Randhir Kumar Singh of RJD by a margin of 11379 votes which was 7.19% of the total votes polled in the constituency. In the 2010 Assembly elections, Janardan Singh Sigriwal of BJP won this seat defeating Pramendra Ranjan Singh of RJD by a margin of 35871 votes which was 31.35% of the total votes polled for the seat.

Winner vote share (%)

In the 2020 Bihar Assembly elections, Dr. C. N. Gupta of BJP had a vote share of 44.97% in this seat. In the 2015 Assembly elections, Dr C N Gupta of BJP got a vote share of 45.27% , In the 2010 Assembly elections, Janardan Singh Sigriwal of BJP got a vote share of 53.36% in Chapra.