The correct option is C National Campaign on People's Right to Information
It took decades of activism to get the RTI bill passed. Organisations like the Mazdoor Kisan Shakti Sangathan or the MKSS and the National Campaign on People's Right to Information (NCPRI) were instrumental in getting the RTI bill passed. For decades, the MKSS used various modes of struggle, advocacy and campaigning to initiate the movement for the RTI.