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 finest examples of the art during the Gupta period are Ajanta caves. Out of the 31 rock-cut cave monuments at Ajanta, five are Chaitya Grihas. The five chaitya grihas are cave numbers 9, 10, 19, 26, and 29.