Nagarjuna was also termed as the Indian Einstein. He proposed the Theory of Relativity in his time in the form of a Sutra which is also called as the Prajna Parimata Sutra. He was a great patron of Mahayana doctrine.
The Chola kingdom was known as Cholamandulam, it was situated to the north-east of Pandya kingdom between Pennar and Vellar rivers. Tiger was the royal emblem of Chola Kingdom.