"The incident took place at the Doordarshan transmission centre at Marenga village under Parpa police station in the district at around 3 AM, leaving three policemen killed and one injured," Director General of Police (DGP) Ramniwas said.
He, however, said that they were yet to verify whether the attack was carried out by Naxals.
Marenga village is around 15 km from Jagdalpur, the district headquarters.
The deceased were identified as head constable Silbhanush Ekka and constables Alexander Lakra and Vasudev Sahu of Chhattisgarh Armed Force (CAF).
According to police sources, security forces have launched a search operation in the region to nab the attackers and further probe is on.