In 2014, while Bidai was deputy Army chief of the NDFB, killed Priya Basumatary, a class 10 student, on suspicion of being a police informer, at Dwimuguri village in the Chirang district of Assam.[6] Her killing was video graphed by Bidai's partners, and the villagers were warned not to touch her body, otherwise they would face the same fate.[7]
The killing of Priya Basumatary was widely protested and several civic bodies condemned and demanded a bravery award for her.[8]All Assam Students Union (AASU), All Bodo Students Union (ABSU), All Bodo Women's Welfare Federation, and Bodoland People's Front (BPF) arranged protested over the brutal killing.[9][10]
Bidai was also involved in the massacre in Kokrajhar districts on 23 December 2014.[11][12] Also, He was involved in the serial bombings in Assam on 31 October 2008.[13]
Bidai was also involved in the 2008 Assam bombings that killed 88 civilians, injuring nearly 500 civilians,[16] in which 13 other NDFB leaders, cadres, and helpers including the NDFB Chairman Ranjan Daimary were convicted by the CBI (Central Bureau of Investigation) court. Bidai was declared as an absconder.[17]
Though Bidai is likely to come to the mainstream as per media reports, the NIA still has listed him as most wanted.[18]