Advanced Predictive Techniques of Jupiterian Periods of 12 Years These palm leaves containing the valuable information on the life and death of human beings were preserved and handed down to their disciples. Each collection is named after the particular Rishi who documented it. The astrologers who preserve the bunch of such palm leaves obtain the thumb impression of those who want to know about their life and read the palm leaves. Nadi Jyotish is considered to be most accurate. The readers will appreciate the valuable efforts by the author in collecting and publishing such a valuable thesis on Nadi Astrology.