Indian peoples have been driven to practice Mysticism from the beginning of their civilization. From early disciples of Great Initiates of the new race to mysterious dwellers in the Himalayas, numberless men have devoted their lives to study and practice Divine and ecstatic things, leaving for posterity examples, writings and documents as the foundation of every ascetic school until our days.
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.