Brahma Sutras or otherwise known as Vedanta Sutras is one of the most important philosophical treatises in the history of India. Brahma Sutras summarize and systemize the vast knowledge of Four Vedas, which was later expressed in Upanishads, in 555 concise aphorisms (Sutras), grouped according to 223 topics, in four chapters (Adhyayas) and 16 sections (Padas).