'It's very worrisome, paragliders don't require a runway. They could launch them from anywhere'" Pillai told the publication.
According to this report, Indian security forces are being advised of the threat and snipers at the Games will prepare to shoot down any unknown flying object, Pillai reportedly said.
Modern gliders can travel as many as 500 kilometers and stay in the air for up to 11 hours.
The Indian military for at least two years has contemplated the possibility of attacks from the air, the report reveals.'The addition of ultra-light mobility to global guerrilla swarming operations provides a mobility advantage that would be very difficult to defend against ' says a report prepared in 2008 by the Indian Air Force.