The Puranthaba group of the outlawed KCP(MC) has said Airtel cellular phone service will be banned for ever in Manipur.
In a release, it said the company should immediately dismantle its towers.
It admitted to having kidnapped two officials of the company.
While one escaped, the other was rescued by the police after a gunfight that killed two militants.
The group also claimed responsibility for the explosion of a hand grenade in front of a private hospital here on December 27.
Five persons were injured in the incident.