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In page Chandragupta Maurya:

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Archeological discoveries in the modern age, such as Didarganj Yakshi discovered in 1917 buried beneath the banks of the River Ganges suggest exceptional artisanal accomplishment.[2][3] The site has been dated to the 3rd century BCE by many scholars[2][3] but later dates such as the Kushan era (1st-4th century CE) have also been proposed. The competing theories state that the art linked to Chandragupta Maurya's dynasty was learnt from the Greeks and West Asia in the years Alexander the Great waged war; or that these artifacts belong to an older indigenous Indian tradition.[4] According to Frederick Asher, "we cannot pretend to have definitive answers; and perhaps, as with most art, we must recognize that there is no single answer or explanation".[5]