"The ancient Indian radar system was called 'rooparkanrahasya'. "In this system, the shape of the aeroplane was presented to the observer, instead of the mere blimp that is seen on modern radar systems," he said.

Bharadwaj's book mentioned a diet of pilots. It contained of milk of buffalo, cow and sheep for specific periods, Bodas said.

The pilot's dress cloth came from vegetation grown underwater,.."

http://www.outlookindia.com/news/article/ancient-indian-planes-could-travel-from-one-planet-to-another/875659