There is a small variety of religions in India. The biggest religion celebrated in India is Hinduism. Out of the 1.2 billion people of India, 80.5 percent of India is Hindu. Other religions in India include Muslim (13.4%), Christianity (2.3%), and others (1.8%). There is freedom of religion in India. Hinduism is one of the oldest religions ever. But the thing is, no one is the known founder. If you are a tourist, some religious sites are The Bodhi Tree, Ajantra Caves, and the Golden Temple of Amaritsar.