North-East Democratic Alliance

[10] The Chief Ministers of the northeastern states of Sikkim, Pawan Kumar Chamling; Assam, Sarbananda Sonowal; Arunachal Pradesh, Kalikho Pul and Nagaland, T. R. Zeliang were the founding members of the alliance.

[11] The alliance suffered a big setback in Arunachal Pradesh when their 30 MLAs defected back to Indian National Congress.

In 2018, the BJP and the ruling Nagaland People's Front dissolved their electoral alliance prior to the election.

[23][24] Lok Sabha MP and former Chief Minister Neiphiu Rio of the Nationalist Democratic Progressive Party was declared elected uncontested in the Northern Angami II constituency after no other candidate was nominated against him.

[27][28] In March 2018, Nationalist Democratic Progressive Party came second behind Naga People's Front by winning 18 seats in the 2018 Nagaland legislative assembly election.

[31][32] In the 2018 state assembly elections, Mizo National Front has emerged as largest political party and won 26 seats and Pu Zoramthanga became the new Chief Minister of Mizoram.

All members resigned from Indian National Congress and later joined Bharatiya Janata Party in the presence of Ram Madhav, Baijayant Panda, and Chief Minister of Manipur N. Biren Singh.

[41][42][43][44] In November 2020, Bharatiya Janata Party announced that it has agreed to support efforts by the UPPL to form an executive body in Bodoland Territorial Council.

The leader of the UPPL, Pramod Boro became the new Chief Executive Member of the Bodoland Territorial Council on 15 December 2020.

[45][46] Soon after the election results were declared and the BJP-led NDA emerged victorious it faced the dilemma of who should be made the Chief Minister.

[56][57] Manik Saha gave his resignation as Chief Minister of Tripura to the Governor Satyadev Narayan Arya and staked claim new government with the support of 33 MLAs (32 BJP and 1 IPFT).

[60][61] Nationalist Democratic Progressive Party's Hekani Jakhalu Kense from Dimapur III and Salhoutuonuo Kruse from Western Angami constituencies became first women MLAs in the history of Nagaland.