In the Chandogya Upanishad (c. 7th century BCE), Indra, king of the Vedic gods, and his nemesis, Virochana, king of the asuras (anti-gods), go to the temple of the creator god, Prajapati ...

Indra and Virochana approached Prajapathi and lived the life of students for 32 years. They told Prajapathi that their purpose was to know about the atman, said M.K. Srinivasan in a discourse.