Hinduism is one of the largest religions in the world with over 800 million followers. It originated in India over 4,000 years ago and has a diverse set of beliefs, gods, and sacred symbols. Some key beliefs include samsara (the cycle of rebirth), dharma (duty, virtue), and moksha (liberation from the cycle of death and rebirth). The document discusses several major Hindu gods like Brahma, Vishnu, Shiva, Ganesh, and others. It also describes some important Hindu symbols like the Aum, swastika, and concepts like karma and the caste system. Architecture of Hindu temples and the significance of rivers like the Ganges are also mentioned.