The Religion and Philosophy of the Veda and Upanishads v1.c15.32

v1.c15.32

This shows clearly that the nature of Varuṇa failed to satisfy the needs of the specifically Indian character which must have been developing during the period, which divides the earlier parts of the Rigveda from the later, and the practical equality of the gods in the middle period of the Rigveda was to be decisively upset in favour of Indra.