The correct option is A Bhupendranath Trivedi
After a resolution of supporting the movements of the princely states was passed in Haripura summit of the Congress in 1938 CE. Praja Mandals were systematically organised in various princely states to oppose atrocities and exploitation by the feudals, to induct political awareness in the princely states. In this series Banswara Praja Mandal was set up in 1945 by Bhupendranath Trivedi.