Are Indians descendants of Aryans??

A definite reason for the sudden decline of the Indus Valley Civilization is still elusive, since there are no reliable records for the period, historians can only speculate.The possibility of the Aryans being involved in such a conflict seems unlikely, especially since recent excavations have shown that the Aryans arrived almost 500 years after the decline of the major Indus Valley Civilization's cities

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