(l) Dr. B.R. Ambedkar established the Depressed Classes Association | (A) December 1929 |
(II) Gandhiji began the Civil Disobedience Movement | (B) August 1930 |
(III) Gandhiji ended the Civil Disobedience Movement | (C) March 1930 |
(IV) Congress adopted the demand for 'Purna Swaraj' | (D) March 1931 |