Maoist from Kelwadih village in Bihar's Jamui district, a police officer said.
Acting on a tip off, the police raided the village and arrested the Maoist, identified as Mukesh Kumar Yadav, Khaira police station's Station House Officer (SHO) Sanjay Kumar said.
Yadav was wanted in the death of a police inspector J.K. Singh in a naxal ambush in Jamui district on September 19 last, he said.
