Combing operations have been intensified in Nilgiris district to prevent possible infiltration of Naxalites in the jungles bordering Tamil Nadu and neighbouring states, police said.
They said personnel drawn from Special Task Force and Tamil Nadu police are keeping a strict vigil in the jungles bordering Karnataka and Kerala border.
Cameras have been installed at about 30 strategic points in these areas to monitor the movements of the extremists and also strangers, police said.
There were unconfirmed reports that one person, reportedly a Naxalite, was taken into custody from a forest area in Kerala, bordering Tamil Nadu.
