"This is the translation of the book written by Aadi Shankarachaarya. Shlokaas in this book are very difficult, it has not been translated in any other language. This book is on top most level among all tantra related books. What is Tantra and Aagam, it’s background, necessary things to get the mantras advantages have been told. On the other hand formation of living beings like trees, birds, human beings is discussed. It also contains discussion about mantranyaas, Vaastu and Lakshmiyantra. Thus this book is very much helpful for those one who study Tantras. "