It will be in violation of law as the matter is already before the Supreme Court, he contended and warned of political instability and law and order problems in Arunachal Pradesh if a "khichdi" government is formed in the state.
"I have come to know that all dissident MLAs and BJP MLAs were taken to Arunachal Pradesh through a chartered plane first to Assam and then in helicopters to Itanagar.
Tuki, the leader of the Congress Legislature Party, said if the dissidents and BJP MLAs form a government it would be completely unconstitutional and against the law as the Supreme Court is still hearing a case regarding the imposition of President's rule in the state and dismissal of his government.
The revolt by Congress dissidents led by Kalikho Pul led to a political crisis in the state that finally led to imposition of President's rule on January 26.
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Tuki reportedly has the support of 26 MLAs in the 60-member Assembly.
The former Chief Minister accused Union Minister Kiren Rijiju, who hails from Arunachal Pradesh, of conspiring with the dissident Congress MLAs.
"He (Rijiju) is the person doing everything. He has sponsored the MLAs, providing security to them and destabilising my government. He had succeeded in it.
"Now the central government is conspiring to form a government," he said.
"Such a government will not last. I have come to know that after forming the government, they would recommend mid-term poll," he said.
Assembly election in Arunachal Pradesh was held along with the 2014 Lok Sabha polls.
Congress party, which had 47 MLAs in the 60-member assembly, suffered a jolt when 21 of its lawmakers rebelled.
Eleven BJP MLAs and two independents backed the rebels in the bid to upstage the government.
Later, 14 rebel Congress MLAs were disqualified by the Speaker.