Arunachal Pradesh is now the 14th state having a coalition government. PPA government is a constituent partner of the North East Democratic Alliance.
The Union Cabinet on Sunday recommended imposition of President's Rule in Arunachal Pradesh, which is facing a political turmoil.
The dramatic development came a day after they "impeached" Speaker Nabam Rebia in a make-shift "assembly" premises in a community hall.
In a fast-paced development, the Peoples' Party of Arunachal late Thursday night suspended Chief Minister Pema Khandu, Deputy Chief Minister Chowna Mein and five other party legislators from the primary membership of the party temporarily with immediate effect for alleged anti-party activities.
The Janata Dal-United won seven seats, the National People's Party five, the Congress four, the People's Party of Arunachal one and Independents two.
He said the decision to join the PPA was "conscious and unanimous".
Among the major winners include Chief Minister Pema Khandu (Mukto seat in Tawang district, bordering China), his third victory in a row.
Forty-four Congress MLAs and two Independent members voted in favour of the government.
The Congress party just lost power in Arunachal Pradesh once again!
The PPA, an alliance partner of the North East Democratic Alliance government in the state, on Friday selected Takam Pario as the new chief minister of the state.
'There are many stories that could be made in the North East.' And here's one of them.
Minister of State for Home Kiran Rijiju had said the cabinet was forced to take the decision because of a constitutional breakdown as six months had lapsed between two sessions of the state assembly.