This small book, therefore, is a brief attempt in the direction of explaining various features of Yoga, with reference to its various aspects of which Pranayama is the principlal and most important component.
Discussion on the subject of Pranayama in this book is based upon the experience gained by the author from teaching Yogic excercises and pranayama in the periodical camps, held for the purpose and attended now by several thousands of aspirants desiring to learn the subject in a scientific way.