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 Capital of Magadh empire was situates at Rajgriha or Girivraja. The city was almost impregnable as it was surrounded by five hills, the openings in which were closed by stone walls on all sides.
EXAMIANS