Speaking at IISER in Bhopal, Union Minister Shivraj Singh Chouhan said, "We had the Pushpak Viman long before the Wright brothers invented the aeroplane." "Drones and missiles that we've today were already with us for thousands of years. We've read all this in...Mahabharata," Chouhan added. "Our country's science and technology were already developed thousands of years ago," he stated.