Delhi: India’s largest drone festival held at Pragati Maidan BSES discoms to deploy drones to keep vigil on power infrastructure Drone comes in handy to bring sun on radar of tech savvy Suncity Online campaign spurs govt aid for Shahnara Khatoon Hexacopters to aid Ghaziabad police The buzz in Noida, Greater Noida, Gurgaon and Faridabad The buzz in Noida, Ghaziabad and Gurgaon