Posted in -24-Letters-on-Yoga-Volume-24 Index-000_Pre_Content Index of Contents LETTERS ON YOGA PART FOUR SRI AUROBINDO Contents Pre Content Post Content Part Four Section - I The Triple Transformation: Psychic-Spiritual-Supramental Section - II Transformation Of The Mind Section - III Transformation of The Vital Section - IV Transformation Of The Physical Section - V Transformation Of The Subconscient And The Inconscient Section - VI Difficulties Of The Path Section - VII Opposition Of The Hostile Forces Bibliographical Note