This book assesses Swami Vivekananda's teachings, his personality and his contributions to the building of modern India. This biography has four sections - the life, the teachings, the man and Vivekananda as a Builder of Modern India. The author calls Vivekananda's "Practical Vedanta" as "Vedantic Socialism". He holds that the ideas put forward by Swami Vivekananda have a tremendous influence on the political thinking and action in India and embraced the mass dynamism of Gandhi and the socialistic ideals of Nehru.