The accused Somaji Ayutu Made (30), commander of Aheri Militia Dalam who hails from Parainar in Dantewada, had crossed the border for treatment and local purchases, they said.
Acting on a tip-off, Gadchiroli police arrested him yesterday, police said. Made had earlier worked as deputy commander of Aheri, Perlimi and Bhamagarh Dalams, they claimed adding that he was actively involved in many encounters with police, including at Karapalli, and Kandhal in Orissa.
He was also wanted in connection with cases of murder, attempt to murder and triggering landmine blasts.