Dhaka

The geographic coordinates of Dhaka Assembly constituency are: 26°44'37.7"N 85°10'09.5"E. This constituency falls in Purvi Champaran district of Bihar and in the Tirhut region. Dhaka shares its borders with three other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Dhaka are: Narkatia, Chiraia, Riga. This constituency shares an inter-state border with Nepal.

There were a total of 333954 registered voters on the electoral rolls for the 2025 Assembly election in Dhaka Assembly constituency, of which 177411 were male, 156534 female and 9 of the third gender. In the 2020 Assembly elections, there were a total of 321111 registered voters, of which 168899 were male, 152192 female and 20 from the third gender. In the 2015 Assembly elections, there were a total of 285342 registered voters, of which 150674 were male, 134653 female and 78 from the third gender. In 2010 elections, there were a total of 231228 registered voters in this constituency, of which 122668 were male and 108560 female and 38 from the third gender.

The number of service voters in this Assembly constituency was 269 in 2020, 15 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 882, in 2020 it was 901, 894 in 2015, and 885 in 2010.

Dhaka 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 2 on Sunday, October 24, 2010 and the results were declared on Wednesday, November 24, 2010.

Assembly constituency no.21. Dhaka comprises of the following areas of Purvi Champaran district in the Tirhut region of Bihar: CD Blocks Ghorasahan & Dhaka.

This constituency covers an approximate area of 275.1 square kilometers and the geographic coordinates of Dhaka is: 26°44'37.7"N 85°10'09.5"E.

A total of three Assembly constituencies in the state of Bihar share borders with Dhaka constituency, which are: Narkatia, Chiraia, Riga. This constituency shares an inter-state border with Nepal.

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Dhaka constituency was 73.19%. In 2020, this seat registered a turnout of 64.75%, while it was 65.34% in 2015, and 54.8% in 2010.

In the 2020 Bihar Assembly elections, Pawan Kumar Jaiswal of BJP won in this constituency beating Faisal Rahman of RJD by a margin of 10114 votes which was 4.87% of the total votes cast. In 2015, Faisal Rahman of RJD was the winner in this seat beating Pawan Kumar Jaiswal of BJP by a margin of 19197 votes which was 10.31% of the total votes polled in the constituency. In the 2010 Assembly elections, Pawan Kumar Jaiswal of IND won this seat defeating Faisal Rahman of JDU by a margin of 1649 votes which was 1.3% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Pawan Kumar Jaiswal of BJP had a vote share of 48.01% in this seat. In the 2015 Assembly elections, Faisal Rahman of RJD got a vote share of 46.97% , In the 2010 Assembly elections, Pawan Kumar Jaiswal of IND got a vote share of 37.98% in Dhaka.