Gadchiroli Deputy Inspector General of Police (DIG) Sandip Patil on July 30 said that the 7-8 incidents of Naxals using small drones for surveillance of our posts reported near the Chhattisgarh border in the last 4-5 months. “Naxals are using small drones for surveillance of our posts near the Chhattisgarh border. In the last 4-5 months we have reported 7-8 incidents. Considering all the possibilities, we're taking anti-drone measures,” said DIG Sandip Patil.