Synopsis In this book, out of the eight components of Yog I have dealt with only four namely, Yam, Niyam, Asan and Pranayam. You cannot fully benefit by just reading, thinking or understanding the facts given here in what is needed is regular practice of the four components. So do not only read the book, practice what has been described and you will not only benefit physically but also mentally. It will change your life style and attitude towards life. You will digest better and enjoy the true taste of food. Yog will make your body shapely and graceful. Your mind will be free of tension and your outlook will become cheerful. As a result you will remain youthful, energetic and healthy all your life. It will ensure success in whatever you do. The poet Vrinda has stressed the importance of regular practice of Yog in one of his verses: By constant study the ignorant becomes learned just as constant friction causes a dent even on a hard stone. He wrote this when he saw some women drawing water from a well. The stone on the wall of the well had developed a dent because of the constant friction of the rope. So remember practice makes perfect. An important thing to bear in mind about Yog is that the practice of Asans should be gradual. Begin by practising one Asan only until you have mastered it. If you try to many at one time you will not master any, on the contrary you may harm yourself. Therefore by patient and regular, beginning with only one asan.