Ha (sun) and tha (moon) imply that
Hatha Yoga is a means of balancing and harmonising the body's currents by exercising and stretching, so as to make it a vital instrument of mind and soul, to give it a longer life, and to keep it healthy. Based on personal experiences, this book presents elements that prepare the practitioners
for the eventual awakening of the kundalini.
Swami Atmananda (formerly Professor Ravindra Kumar) is a Ph.D. in mathematics from IIT Delhi. He has taught in ten countries. His kundalini is awakened. He is Founder President of Academy of Kundalini Yoga and Quantum Soul (AKYQS), and guides people in yoga/meditation for self realisation.