In this book penned by revered Sri Omanand Maharaj, the Patanjali Yoga-Sutras have been elaborated according to Tattvavasharadi, Bhojavritti and Yogavartika. In this, there is a beautiful critique of various elements of Upanishads and Indian philosophy. The explanation of this is simple and easy. This book has become even more useful through plot coordination and metaphysical analysis.