The correct option is C 1938
After a resolution of supporting the movement of the princely states was passed in Haripura Sessionof the congress in 1938 CE, Praja Mandals were systematically organised in various princely states. These Praja Mandals were set up with the objective to establish a responsible government in the princly states. In this series Mewar Praja Mandal was set up in 1938 by Manikya Lal Verma.