The Arctic Home in the Vedas c12.65.6

c12.65.6

But whether the exploits of Vritra-han were subsequently ascribed to Indra, or whether Indra, as the releaser of captive waters, was afterwards mistaken for the god of rain, like Tishtrya in the Avesta, one fact stands out boldly amidst all details, viz., that captive waters were the aerial waters in the nether world, and that their captivity represented the annual struggle between light and darkness in the original home of the Aryans in the Arctic region; and if this fact was not hitherto discovered, it was because our knowledge of the ancient man was too meagre to enable us to perceive it properly.