Acting on a tip-off, the state police sought help from the Jharkhand Police and raided a house in Sector 12 Bokaro and recovered the firearms and explosive, Dutta said.
Special Task Force of Bihar Police had on November eight seized liquid explosive, 14 carbine-manufacturing machines, two pistols, 7,221 live cartridges, 50 detonators, one box containing naxal literature, CD and cassettes from a place under Kankerbagh police station in the state capital, he said.