Tuki, whose Congress government was dismissed by imposition of President's rule on January 26 after 21 party MLAs revolted against him, also alleged that Governor J P Rajkhowa and Union Minister Kiren Rijiju worked "to overthrow his democratically elected popular government".
"The whole dissidence was funded and controlled by RSS and BJP. They just want to topple all Congress governments in the Northeast. RSS and BJP were firing through the shoulders of Congress dissident MLAs," he said at a press conference here.
The former Chief Minister, flanked by 26 MLAs loyal to him, said whenever the NDA came to power, the governments in Arunachal Pradesh were destabilised -- be it in the time of (former Chief Ministers) Gegong Apang or be it during Mukut Mithi.
Tuki claimed every effort was made by Governor Rajkhowa "to trample on democracy and defy the Constitution" to remove the Congress government.
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"There was no reason to dismiss my government. There was no law and order problem, there was no internal disturbance. Still, President's rule was imposed undemocratically and unconstitutionally," he said.
Demanding removal of Rajkhowa as Governor, former Congress MP Takam Sanjay said democracy and Constitution "were murdered in Arunachal Pradesh and this may lead to serious law and order problems in the sensitive border state".
"Modi ji, please stop treating us as second class citizen. We are as much Indian as anyone else. Don't turn Arunachal Pradesh as another Jammu and Kashmir," he said.
Congress has governments in Manipur, Assam, Meghalaya and Mizoram in the Northeast.
A revolt by Congress dissidents led by Pul ledto a political crisis in Arunachal Pradesh that finally led to imposition of President's rule on January 26.
Congress, which had 47 MLAs in the 60-member assembly, suffered a jolt when 21 of its lawmakers revolted against Tuki's leadership.
Eleven BJP MLAs and two independents backed the rebels in the bid to upstage the government.
(Reopens DEL 35)
The Supreme Court was considering pleas against imposition of President's rule in Arunachal Pradesh and also hearing petitions seeking examination of constitutional schemes on the scope of discretionary powers of the Governor.
After Union Cabinet's recommendation for withdrawal of President's rule, Congress moved the Supreme Court and got an order for maintenance of status quo in the crisis-ridden state till it examined judicial and assembly records on disqualification of 14 rebel Congress MLAs by former Speaker Nabam Rebia.
Congress again moved the Supreme Court yesterday but the Supreme Court rejected its plea for an interim direction that it be allowed to go in for a floor test in the Arunachal Pradesh Assembly to prove majority.
Pul was sworn-in as Chief Minister of Arunachal Pradesh last night following withdrawal of President's rule.