In the UPSC Main Examination, subjects perceived as scoring often include widely studied fields such as Public Administration, Geography, and Political Science. Candidates find these subjects relatively easier to comprehend and can secure high marks with thorough preparation. Additionally, subjects with concise syllabi and high overlap with general studies papers, like Anthropology, are considered favorable. Ultimately, candidates should select subjects aligning with their interests and strengths to maximize their chances of scoring well in the examination.