BookI Yoga Metaphysics; Chapter I Prak?ti; Chapter II Purusha; Chapter III The Reality of the External World; Chapter IV The Process of Evolution; Chapter V The Evolution of the Categories; chapter VI Evolution and Change of Qualities; chapter VII Evolution and Change of Qualities; BookII Ethics and Practice; chapter VIII Mind and Moral States; Chapter IX The Theory of Karma; Chapter X The Ethical Problem; Chapter XI Yoga Practice; Chapter XII The Yog??gas; Chapter XIII Stages of Sam?dhi; Chapter XIV God in Yoga; Chapter XV Matter and Mind;
Surendranath Dasgupta Professor of Philosophy, Presidency College, Calcutta; Late Professor of Sanskrit, Chittugong College and Late Lecturer in the University of Cambridge.