Drones are being used for surveillance during 'Kanwar Yatra' in Uttar Pradesh’s Moradabad. The step has been taken by local police for security purpose. Speaking on the step, one of the police officials said, “Drones being used for security purpose to see that there is nothing objectionable on any terrace which can cause trouble. It's being done to ensure there's no trouble during 'Kanwar Yatra'.” ‘Kanwar Yatra’ will start from the third week of July.