If you already completed your post graduation in public policy or wanted to apper for further exam there are many options you can apply for UPSC , state PCS UGC NET or entrance exam for M.phil/phd in public policy at reputed university like tiss jnu ashika or iims some international universities also offer fellowship or research programs it depends on your intrest wheather you want to go into teaching research policymaking or government jobs prepare based on the exam patterns and subject specifications