"Of course, we can prove our majority in the House," he tweeted.
"We know truth never fails and the right always emerge victorious," he said in another post on the microblogging website.
The Centre had yesterday brought Arunachal Pradesh under President's rule and kept the Assembly under suspended animation after more than a month of political turmoil and in the midst of a legal battle in the Supreme Court.
After intense consultations over the last two days, President Pranab Mukherjee gave his assent to the Union Cabinet's recommendation, accepting there was a "constitutional breakdown" in the state.