Desi Helicopter – Martianis Drone Training Institute

Source Website: https://www.deccanherald.com/

https://www.deccanherald.com/amp/state/when-desi-helicopter-drones-hovered-with-pride-at-the-india-pavilion-948072.html

Designed, developed and delivered to the Defence Research and Development Organisation (DRDO) by an individual drone operator, Chakra, two helicopter Unmanned Aerial Vehicles (UAV) sat at the India Pavilion showing off their prowess to withstand heavy weather, one engine-powered and another battery-operated.