Who suggested in 1922 that the Congress should try to wreck the provincial councils from within?

Following the suspension of the Non-Cooperation Movement, prominent leaders known as 'Pro-Changers'—including Chittaranjan Das, Motilal Nehru, and Madan Mohan Malaviya—argued that nationalists should contest elections to enter the legislative councils and disrupt the administrative machinery from within ("end or mend" the councils). This faction eventually formed the Swaraj Party.