National Investigation Agency (NIA), on December 22, filed a charge sheet against 23 persons in the Communist Party of India-Maoist (CPI-Maoist) attack case in which 22 Security Force (SF) personnel were killed in Chhattisgarh on April 23, 2021, reports NDTV. The attack near Tekalgudiyam village under Tarrem Police Station limits in Bijapur District had also resulted in injuries to more than 35 others, a spokesperson of the NIA said. The case was initially registered at Tarrem Police Station and was later re-registered by the NIA on June 5 this year. "Investigations revealed that the accused persons, who are members of the Communist Party of India (Maoist), conspired to commit terrorist acts and the armed cadres of the CPI(Maoist) attacked the combined security forces CRPF [Central Reserve Police Force], CoBRA [Commando Battalion for Resolute Action], DRG (District Reserve Guard] and State Police with heavy fire of Barrel Grenade Launchers (BGL) and automatic weapons. They also abducted one CoBRA jawan, Rakeshwar Singh Manhas, and looted his weapon. The investigations also revealed that this ambush and attack on the police party and security personnel was part of TCOC (Tactical Counter Offensive Campaign) of CPI (Maoist)," the NIA said in its chargesheet. The accused persons were charge under various sections of the Indian Penal code (IPC), Arms Act and the Unlawful Activities Prevention Act (UAPA), a spokesperson said.