The correct option is D All of the above
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, Those political organisations, which were formed to establish a responsible government in the princely states, to oppose atrocities and exploitation by the feudals, to induct political awareness in the princely states and to provide fuel to the nationalistic movements being conducted in the country, were called Praja Mandal.