Small drones are cheap, easy to fly and hard to see.

That combination has made unauthorised flights over airports, industrial sites and public venues a practical problem for the people who run them, and one that conventional perimeter security was never designed to answer.

An operator needs to know that something is in the air, where it is heading and whether it warrants a response, usually within seconds.

Doing that reliably means separating an aircraft from birds, kites and background clutter, at a distance.

was incorporated in Kanpur in December 2019 by Sarvagy Shukla and Shefali Bajpai.