 The drawings would then be a representation of foreign technology, comparable to the Arnhem Land Aboriginal rock paintings depicting Westerners.The very realistic chariots carved into the Sanchi stupas are dated to roughly the 1st century.The earliest Copper-bronze age chariot remains that have been found in India (at Sinauli) have been dated to 1900BCE.There is evidence of wheeled vehicles (especially miniature models) in the Indus Valley Civilization, but not of chariots.