In the Vedas, the oldest and most authoritative Hindu religious books, a minor god.
Dyaus is a deity of the sky, although his persona is underdeveloped since he was mainly overwhelmed by other gods even at the time of the Vedas.
The Greek version of Dyaus' name, Zeus, indicates that he belongs to the earliest stratum of Indo-Aryan gods.
You may also want to read more about Hinduism here.
Be sure to check out my writings on religion here.