It is a bestselling comprehensive complete practical guide & workbook of Yoga. It covers both the Kundalini Yoga and sacred technique of Kriya-Yoga, theory as well as practical. It is a spiritual research work and a searchlight to the seekers of God to learn and practice yoga at their convenient time. This book work as a spiritual Guru at home at your convenient time. It is difficult for spiritual aspirants to find a genuine Guru and live in his company at his ashram. It can bring physical, mental, intellectual and spiritual development of the aspirants. It can bring sound health, peace, harmony, bliss and joy in the life of the readers. Yoga is not so called practices of few asana or physical exercises for improving health. This is most misleading of aspirants of yoga. Yoga means communion of our soul with God. This book tells you how to commune with God? How to meditate on God? What is God? How to achieve self-realization?