Naadi Shastra is a unique science based on the books of the great saints like Agasthya, Vashista, Kausika, etc. Nadi Astrology is the ancient Indian method of astrology to learn about one's past, present and the future. It is a very unique form of astrology. It is practiced in South India, particularly in Tamil Nadu. Nadi shastra allows an individual to know his destiny in great detail from a Nadi expert.