This flim has concerned about education in India. But most were fake. If it is possible to launch a satellite in a ballon, then y the scientists were struggling making rokets, and they didn't even bother any permission to International space organisation to locate their satellite in the geostationary orbit. If we use hydrogen as fuel it will hinder the roads. Every vehicles starts travelling at a very high speeds. Even if they regulate the pressure, they need electricity for electrolysis process. Which means it is similar to electronic vehicles which were already been in the market. This movie half correct and half wrong. Emotionally it is a good flim but practically it is bad flim.