Hinduism, otherwise called the Sanatana Dharma, or "Interminable Way," is our planet's unique and most seasoned living religion, with more than one billion followers. Today it has four principle categories: Saivism, Shaktism, Vaishnavism and Smartism, each with several genealogies. They speak to a wide scope of convictions, practices and spiritualist objectives, yet basically all agree on certain bedrock ideas.