Naadi astrology, also known as Nadi Shastra or Nadi Jyotish, is an ancient form of astrology that originated in Tamil Nadu, India. The term "Naadi" means "palm-leaf" in Tamil, and Naadi astrology is based on the belief that ancient sages or Rishis, who had the power of clairvoyance, recorded the destinies of individuals on palm leaves several thousands of years ago. These palm leaf manuscripts are said to be stored in temples in South India.