The Satavahanas dynasty is also known in history for starting the practice of giving royal grants of land. These royal grants were given to Brahmanas and Buddhist monks, including those associated with tax exemptions.
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.