Gita is taken to be containing the essence of all the Upanisads which, in turn, reflect the gist of the Indian thinking. In short, moral thinking by Indian philosophers has culminated in the teachings of the Gita which is both a Yoga-sastra and a Brahmavidya. While Yoga-sastra means sastra containing ethical teachings, Brahmavidya is the sastra of metaphysical thoughts. In this work, the author has discussed the central concepts enumerated in ...