New Delhi, March 18 -- The National Investigation Agency (NIA) on Wednesday filed charges against three cadres of the proscribed People's Liberation Army (PLA) terrorist organisation in the Assam Rifles truck ambush case, in which two personnel of the paramilitary force were killed in Manipur last year.

The chargesheet, filed before the NIA Special Court in Imphal (Manipur), names all three accused under various sections of the BNS, Arms Act, Prevention of Damage to Public Property Act, Explosive Substances Act and UA (P) Act, according to a press release.

The trio, Thongram Sadananda Singh, also known as Ngachik aka Purakpa; Khundongbam Oji Meitei, aka Keilal; and Irengbam Jugindra Meitei, aka Jugin Meitei, all residents of Manipur, we...