Assembly Speaker T N Thongdok administered the oath to B R Waghe, who won the by-poll from Pakke-Kessang constituency and Kardo Nyigyor from the Likabali seat, counting for which was held on December 24.
Over 68.5 per cent electors cast their votes in the by-poll, with Pakke-Kessang recording 86 per cent turnout and Likabali 51 per cent in the December 21 by-elections.
Waghe of the BJP won the Pakke-Kessang seat by a narrow margin of 475 votes, defeating his lone rival and former deputy chief minister, Kameng Dolo of the Congress.
In the Likabali seat, Nyigyor won by a slender margin of 305 votes, defeating his nearest rival, Gumke Riba of the Peoples' Party of Arunachal (PPA).
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