The correct option is C 1945
After a resolution 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. These Praja Mandals were formed to establish a responsible government in the princely states. In this context, Pratapgarh Praja Mandal was set up in 1945 by Amrit Lal Payak along with Chunni Lal Prabhakar.