Upanishads & Vedas app contains most of Indian Vedic Upanishads and almost all Indian Vedic Vedas. About Upanishads: The Upanishads, a part of the Vedas, are ancient Sanskrit texts that contain some of the central philosophical concepts and ideas of Hinduism.Upanishads played an important role in the development of spiritual ideas in ancient India, marking a transition from Vedic ritualism to new ideas and institutions.Of all Vedic literature, the Upanishads alone are widely known, and their c