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.
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.