Once considered the bastion of NNO forerunner of Congress and then Congress, Dimapur district has turned regional with the advent of NPF since 2015 when last two Congress MLAs merged with NPF.
The current electoral battle is now between NPF versus its one time ally BJP and newly formed Nationalist Democratic Progressive Party (NDPP), the latter is led by three-time NPF chief minister and MP Neiphiu Rio. Dimapur district has 5 assembly constituencies– 1-Dimapur-I (General); 2-Dimapur-II, 3 Dimapur-III, 1 Ghaspani-I and 2 Ghaspani-II. The district has a mixed population of 378811 (2011 census) and a total electorate of 200924 (2018).
1 Dimapur-I A/C has a total electorate of 22,922 with 11,798 male and 10,896 female. In 2008, the seat was won by KL Chishi of Congress Party polling 8700 votes and Atomi of NPF party second with 4774 votes. In 2013 the seat was won by Tovihoto Aye of NPF polling 6952 votes over KL Chishi of Congress party polling 5114 votes. In 2018, sitting MLA Tovihoto Aye is contesting as BJP candidate and will face Pukhavi Yepthomi of NPF and W. Kholie Kapfo of INC.
2 Dimapur-II A/C has a total electorate of 52,515 with 26,371 male and 25,808 female.
In 2008, the seat was won by SI Jamir of INC party by 17,954 votes and Savi Liegise of NPF party came second with 15,195 votes.
In 2013 the seat retained by SI Jamir of INC party polling 14,151 votes over Savi Liegise, Independent candidate polling 12,536votes.
In 2018, SI Jamir is not contesting. The constituency is witnessing a triangular contest among Moatoshi Longkumer of NPF party, Dr. S. Amos Lkr. of AAP and Supulebten of NDPP.
3 Dimapur-III A/C has a total electorate of 33,479 with 16,742 male and 16,481 female.
In 2008, the seat was won by Azheto Zhimomi of INC Party by 7874 votes and L. Inazhe Sema of RJD party came second with 4871 votes.
In 2013, the seat was won by Tokheho of INC party polling 12,809 votes over Azheto of NPF party polling 10,778 votes.
In 2018, sitting MLA Tokheho is contesting as NDPP candidate and will face Azheto Zhimomi of NPF, Lun Tungnung of INC and woman candidate Wedie-u Kronu of NPP.
1 Ghaspani-I A/C has a total electorate of 66,875 with 33,219 male and 33,040 female.
In 2008, the seat was won by Y. Hewoto Awomi of INC Party by 17,646 votes and Khekiho Zhimomi of NPF party came second with 16,132 votes.
In 2013, the seat was won by N Jacob Zhimomi, Independent candidate, polling 26,287 votes over Khekiho Zhimomi of NPF party polling 25,255 votes.
In 2018, sitting MLA N Jacob Zhimomi is contesting as BJP candidate and will face Nagavito Sumi of INC, Akavi N. Zhimomi of AAP and Z. Kasheto Yeptho, Independent candidate.
2 Ghaspani-II A/C has a total electorate of 26,650 with 13,405 male and 13,050 female.
In 2008, the seat was won by K. Hollohon, Independent candidate, by 8312 votes and Rokonicha of NPF party came second with 6661 votes.
In 2013, the seat was won by Zhaleo Rio of NPF party polling 11,189 votes over Y Hewoto Awomi of INC party polling 8801 votes.
In 2018, sitting MLA Zhaleo Rio is contesting as NDPP candidate and will face Dr. Kevingulie Khro of NPF and K.K. Sema of INC party.