File picture of former ISRO chairman G Madhavan Nair. New Delhi : One of the country’s leading scientists and former ISRO chairman, G Madhavan Nair, today propounded the theory that some shlokas in the Vedas mention the presence of water on the moon, and that astronomy experts like Aryabhatta knew about gravitational force much before Issac Newton. The 71-year-old Padma Vibhushan awardee said the Indian Vedas and ancient scriptures also had information on metallurgy, algebra, astronomy, maths, architecture and astrology way before the western world knew about them. Speaking at an international conference on Vedas, he however, added that the information in vedas was in a “condensed format”, which he said made it difficult for modern science to accept it. “Some sholkas in one of the Vedas say that there is water on the moon but no one believed it. Through our Chandrayaan mission, we could establish that and we were the first ones to find that o...