不合作運動
Following the end of the Non-cooperation movement in 1922, Sanyal, Ram Prasad Bismil and some other revolutionaries who wanted an independent India and were prepared to use force to achieve their goal, founded the Hindustan Republican Association in October 1924. He was the author of the HRA manifesto, titled "The Revolutionary", that was distributed in large cities of North India on 1 January 1925.