This book is for sale in India only and cannot be exported. This book serves as a comprehensive guide to the practice of all the Four Yogas i.e. Karma Yoga Raja Yoga Bhakti Yoga and Jnana Yoga. All these yogas lead to the goal of Self-realization a fact that Sri Ramakrishna and Swami Vivekananda repeatedly emphasized on different occasions. The Author provides lucidly and explanations to the rationale and the method of each type along with its specific practices.