Candidates can adopt interdisciplinary approaches, combining insights from fields like psychology, economics, and sociology to master the UPSC exam syllabus. This integration enables a holistic understanding of complex societal issues and enhances analytical skills. For instance, employing psychological theories can help in understanding human behavior in administrative scenarios, while economic principles can elucidate fiscal policies. Research methodologies from different disciplines can assist in grasping contemporary issues better. By aligning subjects with the UPSC syllabus, candidates enrich their knowledge base and improve their ability to tackle interdisciplinary questions effectively, ultimately leading to heightened preparedness.