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.
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.