The relationship between economics and UPSC syllabus topics is substantial, as economics forms the backbone of many public policies and social programs. Aspirants must understand fundamental economic principles, such as GDP, inflation, and fiscal policy, as these concepts often appear in questions related to Indian economy, developmental economics, and current affairs. A solid grasp of economics enables candidates to analyze the socio-economic impact of policies and to prepare effectively for discussions on economic reforms, making it crucial for their overall preparation.