Product Description The polemics among various philosophical schools is both unending and also a wonderful way for adherents to become clearer on their particular doctrine. Each school makes certain presuppositions upon which the school s philosophy is based. Advaita Vedanta philosophy is based upon its key concept of avidya/maya. Given its definition of avidya/maya everything else unfolds, consistently and coherently. Visistadvaita Vedanta, employing its key concepts of aprtak siddhi, challenges Advaita s doctrine. The same holds true for Dvaita Vedanta and its key concept of bheda. About the Author Godabarisha Mishra is the Chairman of the school of Philosophy and Religious thought at the University of Madras. Formerly woked as an editor at the Kuppuswami Sastri Research Institute, Chennai, he also served as the Member Secretary of Indian Council of Philolosphical Research, New Delhi.