This book is a compilation of 25 research articles written by the author and published in various magazines in India and abroad covering prediction techniques from Nadi Astrology and other systems including Gochara, Stellar Effects, Interpretation of Varga charts & Nadi chart, Birth time rectification, Navamsha lords ,Benefic & Malefic planets, and Gems etc. About the Author: Dr. Pemmaraju V R Rayudu (83 Years), B.E.,M.Tech, Diploma (Management & French). Dr. of Astrology, has been studying, researching and practicing Hindu Astrology for the last five decades. He retired as a Senior Scientist & Deputy Director of Defense R&D Laboratory (DRDL). He travelled in India and abroad giving lectures and consultations in Astrology. He published two research books “How to read a Horoscope” and “How to match Horoscopes for marriage” and many research articles. He developed a unique astrology software out of his research. His website www.rayuduastrology.com would give more details about his Software, Awards, Articles, Books, Media, Personal Information, DRDL Certificates from Dr. APJ Abdul Kalam, the then Director of DRDL.& General VJ Sundaram, the then Associate Director of DRDL