The central theme of dicussion in this monograph revolves round the problem of man`s self-transformation in the midst of an artificial and soulless civilization. According to the author, the solution to the problem lies in a synthesis between `the rwo principal tradition of India`- Yoga and Tantra which he defines as philosophy and practice. The secret of self-Transformation is at once an indictment of all sorts of monstrosities that under the banner of modern dcience and a call for revolutionary change within man himself.