In earlier times, both Iranians and Indians were part of the same tribe identified as the Proto-Indo-Iranians belonging to the Indo-European family. With the roots in the Caucasoid, that is the Indo-European family, it then branches out to form the Nordics, Alpines and the Mediterranean. The Alpines bifurcate into Armenoids and the Iranoids that is the Proto Indo-Iranian family roughly around the 4th Millennium BC. They wandered and settled on the southern Russian Steppes.
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