About the Book: Patanjali Yoga Sutra Commentary by H. H. Sri Sri Ravi Shankar on Yoga Sutra expounded by Sage Patanjali. The aim of Patanjali Yoga Sutras is to set man free from the cage of matter. Mind is the highest form of matter and man freed from this dragnet of Chitta or Ahankara (mind or ego) becomes a pure being. The aim of Patanjali Yoga Sutras is to set man free from the cage of matter. Mind is the highest form of matter and man freed from this dragnet of Chitta or Ahankara (mind or ego) becomes a pure being. About the Author: H H Sri Sri Ravi Shankar His Holiness Sri Sri Ravi Shankar, a spiritual leader and humanitarian, was born in 1958 in southern India. He was often found deep in meditation as a child. At the age of four, he astonished his teachers by reciting the Bhagavad Gita. To Globalise the knowledge of leading a happy, strees-free life, H.H. Sri Sri Ravi Shankar established an international educational and humanitarian NGO- The Art of Living is one of the largest voluntary organizations in the world