A hand grenade, one 9 mm pistol, one revolver, three country made pistols, one magazine of SLR rifle, two magazines of pistols and 169 cartridges were recovered from the site, Superintendent of Police Rajiv Ranjan said.
Besides, there were naxalite literature, clothes and other items of daily use.
Acting on a tip off that naxalites were hiding in the jungles, the police raided the spot ensuing an encounter, Ranjan said.
Around 50 rounds were fired from both sides during the 30-minute encounter that took place early in the morning.