Understanding Vimshottari Dasa Book (विंशोत्तरी-दशा को समझना पुस्तक): This book is an important book, in which information about to fix the possible time of happening of an event in the life of an individual is a difficult matter. vimshottari dasha is a commonly used tool to do it. A very large number of real life charts have been analyzed to clarify the few principles. This Book is not easily available..