Bordumsa-Diyun

The geographic coordinates of Bordumsa-Diyun Assembly constituency are: 27°31'45.1"N 96°29'55.3"E. Bordumsa-Diyun shares its borders with five other Assembly constituencies. Other Arunachal Pradesh Assembly constituencies adjacent to Bordumsa-Diyun are: Hayuliang, Chowkham, Lekang, Miao, Nampong. This constituency shares an inter-state border with: Assam.

There were a total of 22,943 registered voters on the electoral rolls for the 2024 Assembly election, of which 12,456 were male, 10,487 female and 0 of the third gender. In the 2019 Assembly elections, there were a total of 18,509 registered voters, of which 12,456 were male, 8,444 female and 0 of the third gender. In 2014 elections, there were a total of 15,172 registered voters in this constituency, of which 8,161 were male, 7,011 female and 0 of the third gender. In the 2009 polls, the number of total electors was 15,603 which included 8,384 male, and 7,219 female.

The number of service voters in Assembly constituency was 141 in 2019, 6 in 2014 and 3 in 2009.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2024 was 842, in 2019 it was 839, 859 in 2014 and 861 in 2009.

Bordumsa-Diyun Assembly constituency went to the polls in Phase 1 of the 2024 Arunachal Pradesh Assembly elections on Friday, April 19, 2024. The counting of votes is on Sunday, June 2, 2024.

In the 2019 state Assembly elections, this seat voted in Phase 1 on Thursday, April 11, 2019 and the results were declared on Thursday, May 23, 2019.

In the 2014 polls, this constituency voted in Phase 1 on Wednesday, April 9, 2014 and the results were declared on Friday, May 16, 2014.

In 2009, Bordumsa-Diyun voted in Phase 1 on Tuesday, October 13, 2009 and the results were declared on Tuesday, October 22, 2009.

According the latest delimitation documents for 49. Bordumsa-Diyun Assembly seat, the extent of this constituency covers the following areas of Arunachal Pradesh: (1) Bordumsa circle, (2) Diyum (Deban) circle..

According to data released by the Election Commission of India, in the 2024 Arunachal Pradesh Assembly elections, the estimated voter turnout in this Arunachal Pradesh constituency was 69.19%. In 2019, this seat registered a turnout of 88.03%, while it was 84.32% in 2014 and 81.86% in 2009. The estimated turnout in 2024 was -18.84% compared to the 2019 turnout.

In the 2019 Arunachal Pradesh Assembly elections, Somlung Mossang of IND won in this constituency beating Jawra Maio of BJP by a margin of 2,379 votes which was 14.66% of the total votes cast. In 2014, Nikh Kamin of PPA was the winner in this seat beating C C Singpho of INC by a margin of 1,328 votes which was 10.4% of the total votes polled in the constituency. In the 2009 Assembly elections, C C Singpho of INC won this seat defeating Khumral Lungphi of NCP by a margin of 955 votes which was 7.53% of the total votes polled for the seat.

In the 2019 Arunachal Pradesh Assembly elections, Somlung Mossang of IND had a vote share of 39.01% in this seat. In 2014, Nikh Kamin of PPA secured a vote share of 41.58% in this constituency. In the 2009 Assembly elections, C C Singpho of INC got a vote share of 48.84% in Bordumsa-Diyun.