The common religion of India, based upon the religion of the original Aryan settlers as expounded and evolved in the Vedas, the Upanishads, the Bhagavad-Gita, etc., having an extremely diversified character with many schools of philosophy and theology, many popular cults, and a large pantheon symbolizing the many attributes of a single god. Buddhism and Jainism are outside the Hindu tradition but are regarded as related religions.