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India has an estimated over six lakh rogue or unregulated unmanned aerial vehicles (UAVs) and security agencies are analysing modern anti-drone weapons like ‘sky fence’ and ‘drone gun’ to counter terror or similar sabotage bids by these aerial platforms, official sources said on Sunday.
An official blueprint prepared by central agencies that were accessed by PTI that states unregulated drones, UAVs and remotely-piloted aircraft system are a “potential threat” to vital installations, sensitive locations and specific events and a “compatible solution” is required to counter them.
A data estimation study conducted by these agencies state that over six lakh unregulated drones, of various sizes and capacities, are present in the country and anyone of them can be used for launching a nefarious act by disruptive elements.
Recent incidents like the lethal drone attack on Saudi Arabia’s largest petroleum company and arms dropping by UAVs in Punjab from across the India-Pakistan border has alerted Indian security and intelligence agencies.
These agencies are now looking at some specific anti-drone techniques like sky fence, drone gun, ATHENA, drone catcher and Skywall 100 to intercept and immobilise suspicious and lethal remote-controlled aerial platforms.
A recent paper titled ‘Drones: A new frontier for Police’ published in the Indian Police Journal (IPJ) by IPS officer and Additional Director General in Rajasthan Police, Pankaj Kumar Singh, has talked about these new techniques.
Counter attacks
A drone gun is capable of jamming the radio, global positioning system (GPS) and mobile signal between the drone and the pilot, and forces the drone to ground in good time before it could wreak any damage. This Australia designed weapon has an effective range of 2 kms, the paper said.
Another solution to block a lethal drone is the sky fence system that uses a range of signal disruptors to jam the flight path and prevent them from entering their target, a sensitive installation or event venue, it said.
Officials said prototypes of these counter-drone weapons were displayed for the first time at an open field in a BSF camp in Bhondsi, Haryana last week as part of a national conference organised by the Bureau of Police Research and Development (BPRD) on anti-drone technology.
A Bengaluru-based private company, BEML and Electronics Corporation of India Ltd (ECIL) among others showcased the latest technology available in this domain to the participants of the national conference which included officials from the Indian Air Force (IAF), airports guarding force CISF, Directorate General of Civil Aviation and Airports Authority of India among others, they said.
A drone gun and sky fence looks feasible solution and are being recommended to the government for consideration, a senior official in the security establishment said.
ATHENA, acronym for Advanced Test High Energy Asset, is another weapon under analysis as it works by firing a high energy laser beam on a rogue drone resulting in its complete destruction in the air.
However, this is a very costly technology and is being currently tested by the US army, officials said.
A counter-UAV technology called drone catcher-- that swiftly approaches an enemy drone and grabs it by throwing a net around it-- is also being thought upon.
Such a tool is required when a rogue drone is needed to be captured safely to extract incriminating evidence from it, the paper presented by IPS officer P K Singh said.
A ‘skywall 100’, the paper said, is the ground version of the ‘drone catcher’ and it works by bringing down an UAV using a parachute that is hurled through a net from 100 meters distance.
Two separate BPRD and Ministry of Civil Aviation (MCA) appointed task forces are now mulling on “priority areas that need to be armed with counter-drone weapons and the cost estimation to procure suitable gadgets,” the senior official said.