Matsya was one of the sixteen Mahajanapadas mentioned in the Buddhist text Anguttara Nikaya. The founder of the kingdom of the Matsya was Virata. It consisted of the present-day Alwar, Jaipur and Bharatpur.
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.
Viharas were for the purpose of living, Chaityas were assemblies for the purpose of discussions. Further, Chaityas were with Stupas, Viharas did not have stupas.