Hinduism is the predominant religion of India that developed over 3,500 years ago. It does not have a single founder, deity, holy text, religious authority, or concept of prophets. Hindus believe in karma and samsara, the cycle of rebirth. The Vedas are the most ancient texts containing spiritual knowledge revealed to scholars. Hindus worship many deities including Brahma, Vishnu, Shiva, and Ganesh. They celebrate festivals like Diwali and Holi. With over 950 million followers, Hinduism is the third largest religion globally.