The sculptures pertaining to the period of c. 300 – 600 CE shows the introduction of new styles in the temple architecture. The inspiration for the themes for the sculpture was drawn from Hindu, Buddhist, and Jaina traditions.
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.