The book is intended to provide sufficient and essential knowledge to make and organize horoscope of an individual or self. After years of sincere research of vast literature of Jyotish, the most popular form of Indian classical Astrology, all the necessary details are milked carefully and compiled in this book for those who possess the basic knowledge of addition and subtraction and mathematical logic. A well constructed horoscope is the basic tool to possess to proceed in the direction of predictions based on the law of karma. The book starts with providing the understanding of the celestial dance including time, earth, basic astronomy to understand the nature and movements of various heavenly bodies of the solar system, stars and constellations. The concepts of shadow planets (Rahu and Ketu) is also explained. An unverified and non-validated tool can never bring error-free results. There are sufficient details on how to correct a horoscope. Constructing a horoscope, when birth time is not certain is also provided. Such closely guarded secrets by astrologers since ages have been carefully revealed by the authors with all formulae, calculations and tables. For those who intent to make their own software for astrological purposes or want to fine tune one already made, will find this book very useful.