EVOLUTION OF 19TH AND 20TH CENTURY SOCIO-POLITICAL MOVEMENTS OF TAMILNADU (PYQ)

Which of the following statements are true about M.S.A. Rao?
I) He was the prominent Indian sociologists
II) He points out, social movements include two characteristics are collective action and oriented towards social change.
III) He started a social reform movement called the “Non-Brahmin movement”.