In the Indus Valley Civilization, the remains of Horse bones have been found from Surkotada site. The site at Surkotada is located 160 km north- east of Bhuj, in the district of Kutch, Gujarat.
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.