 The diversity in carts and wheels, including depictions of what may be spoked wheels, during this period of urban expansion and trade may reflect different functional needs, as well as stylistic and cultural preferences.The unique fonns and the early appearance of carts in the Indus valley region suggest that they are the result of indigenous technological
development and not diffusion from West Asia or Central Asia as proposed by earlier scholars.The chariot must not necessarily be regarded as a marker for Indo-European or Indo-Iranian presence.