However, bodies of none of the outlaws have been recovered so far.
According to police, a Special Task Force (STF) jawan was also killed while two police personnel were injured during these encounters.
"Joint teams of security forces, comprising over 300 personnel were out on anti-naxal operations in the forests of Bijapur (bordering with Sukma district) between May 12 and May 16," CRPF Special Director General (Central Zone) Kuldiep Singh told PTI today.
The SDG also said neither any weapon or any Maoist- related material was recovered during the operation.
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Deputy Inspector General of Police (Dantewada region) Sundarraj P said these encounters took place on Sunday when joint teams of the STF, the District Reserve Guard (DRG), the Commando Battalion for Resolute Action (CoBRA) and the district police were carrying out operations in Basaguda and Awapalli area, around 450 km away from the state capital Raipur.
Two police personnel had sustained bullet injuries in the gunfight that took place in the morning whereas an STF jawan was killed in another face-off, he said.
"As per feedback from the ground, we are presuming that 12 to 15 Maoists were killed in both the encounters. However, no body was recovered from the spot as amid heavy exchange of fire, other Maoists managed to drag them inside the forests," the DIG said.
He said counter-insurgency operations have been intensified ahead of the monsoon season in South Bastararea where overflowing rivers and slushy forest floor hamper work during rains.
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