Nadi astrology is a technique that helps determine the history and fate of individuals using the power of the finger fold to search for manuscripts that can be used to predict, using ancient manuscripts created by Rishi Munis around 1200 BC before it was widely understood. 18 priests including Kalangi Nathar, Agasthyar, Konganaar, Sivavakkiyar, Idaikadar, Bogar and many more. He contributed a lot to Tamil literature and philosophy and gave ideas and solutions to the common people. They later decided to expand their support and help genealogy record unexplained information about human life. They are handwritten books that describe the past, future and past to help them live beyond time. These manuscripts required the ability to understand and decipher in order to make reliable predictions about the future. They believed that the valluvars working for the Pallava king learned about it and started using it as an artifact and it helped many people.