"The incident took place in the jungles of Kistaram police station area of the district when the CAF jawans were on a combing operation in the region early this morning," a senior police official told PTI over phone.
When the patrolling party reached near the forest of Kistaram village, the naxals opened indiscriminate fire on them, killing one jawan and injuring three others, the official said.
Naxals also looted three rifles of jawans, he said.
The injured - platoon commander Bhagwat Baghel, head constables Ramnarayan Singh and Rajbahor Patel - were referred to Jagdalpur town for treatment, the official said, adding that additional forces have been rushed to the spot.