Which are the best optional subjects to get high marks in the UPSC Mains? There are no single best optional subjects for the UPSC Mains exam, as success depends on the candidate's background, interest and strengths. However, subjects like Anthropology, Political Science & International Relations, Sociology, Geography and Public Administration. Read blog- https://www.vajiraoinstitute.com/upsc-ias-current-affairs/what-is-the-most-scoring-optional-subject-for-upsc-mains.aspx #upscoptionalsubjects #upscmainsexam #upscexam #upscstudymaterial #iascoachinginstitute #iascoaching #upsccoaching vajiraoandreddyiascoaching #vajiraoreddy