A total of twelve bore guns, naxal uniforms, literature, explosives and other naxal materials have been recovered from the spot, the police officials said.
Inspector General (IG) Bastar, P Sundarraj said, "An encounter is ongoing between DRG (District Reserve Guard) and naxals in southern Sukma. An exchange of fire has been underway since morning. The search operation is underway."
Earlier in the day, five Naxalites were killed, and a large cache of weapons was recovered during an ongoing exchange of fire between security forces and Naxals in the Abujhmadh jungle on the Kanker-Narayanpur border in Chhattisgarh.
A Maoist was killed in an exchange of fire with security forces in the Budanai reserve forest area of Odisha's Kandhamal district on Friday, police said.
Three naxals, two males and one female, were killed in an encounter with security forces in the forest of Abujhmad at Chhattisgarh - Maharashtra border areas, Narayanpur police said on Monday.
The National Investigation Agency (NIA) on Friday chargesheeted four Maoists in the Chhattisgarh case in which armed cadres of the banned CPI (Maoist) outfit were arrested following an encounter with security forces, and several weapons, including BGL and BGL shells, were seized.