Narayana Upanishad -sanskrit | Pdf-

It asserts that all deities (including Brahma, Rudra, and Indra), the five elements (wind, light, water, fire, and earth), and all living beings originate from and eventually merge back into Narayana. Non-Dualism:

The central thesis of this Upanishad is the proclamation that —the cause of creation, preservation, and dissolution of the universe. It asserts that all gods, elements, and living beings exist within Narayana, and he transcends them all. Narayana Upanishad -sanskrit Pdf-