Forty-six militants of the banned Kangleipak Communist Party (People's War Group) surrendered before security forces in Manipur on Tuesday, the police said.
Security forces in Manipur have arrested 10 militants belonging to various banned outfits.
At least 10 militants were killed in a gunfight with an Assam Rifles unit in Manipur's Chandel district on Wednesday, officials said. The operation is still in progress, they said.
A laptop, seven mobile phones, pen drives, internet broadband connection and documents, threat e-mails and extortion letters related to KCP (MC) have been recovered. The accused was brought to Delhi and is in police custody till May 13.