Ramgupta was the elder son of Samudragupta. Samudragupta was succeeded by Ramagupta according to some legends, but Chandragupta II killed him. It is also believed that during the tenure of Ramagupta, the Gupta empire was invaded by a powerful Shaka kin.
The Mauryan art is believed to be inspired from Achaemenid or Persian influence. We can find a lot of similarities in terms of form and style in the inscriptions of Ashoka and the Persian king Darius.
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.
The term ‘Aryan’ means ‘noble’. It was used as a self designation by Indo-Iranian people. It was used in vedic period i India as an ethnic label for themselves as well as to refer noble class.