The skirmish took place at around 10 pm in the forest of Kopenkadka village under Khadgaon police station limits when a joint team of security forces was out on an anti-Maoist operation, Rajnandgaon Superintendent of Police Prashant Agrawal told PTI.
The composite squad of Indo Tibetan Border Police (ITBP) and District Force led by Manpur Sub Divisional Officer of Police Akash Girpunje had launched the operation in the interiors of Manpur, around 200 km away from the state capital, Raipur.
However, ultras soon escaped into the deep forest on finding security personnel zeroing on them, he added.
During a search, bodies of three ultras along with three automatic weapons--one AK 47 rifle, one Insas rifle and one SLR rifle--were recovered from the spot, he added.
Those killed were identified as Mahesh, an area committee member (ACM), Rakesh ACM and Pallemadi LOS (local organisation squad) commander and Ranjit -Pallemadi LOS deputy commander, said the SP, adding that they were carrying rewards of Rs 5 lakh, Rs 5 lakh and Rs 3 lakh respectively.