Aryans established all of their religions, philosophies, literature and arts upon Vedas.
Upanishads and Sutras become moral and philosophy of Hinduism, and are just vast commentaries of early texts based on their religion.
Aryan established all their religions, philosophies, laws, letter and arts on Vedas.
The Upanishads and Sutras, which are moral and philosophy of Hinduism, are vast commentaries on early texts based on their religion.