This book gives a clear insight into various aspects of Yoga, while providing scientifically backed explanation about how various Yoga processes achieve their intended purposes and why they are designed that way. Such clarity is essential to understand Yoga in a more scientific manner and to realize its full potential. The book also explains in a step by step manner, how various processes of Yoga, namely the body postures, breathing techniques and meditation are performed and why each of these processes is needed to attain complete benefit of Yoga. This book is a good guide for anyone who wants to practice Yoga.