Candidates can incorporate various interdisciplinary methods while studying for UPSC to enhance their understanding of complex topics. Integrating insights from economics, political science, and geography can provide a holistic perspective on issues like development and governance. Comparative analysis with case studies from other countries can enrich understanding. Utilizing tools such as participatory research and qualitative methodologies can enhance analytical skills. By merging knowledge across disciplines, aspirants can develop a well-rounded viewpoint, which is essential for tackling multifaceted questions in the exam and achieving a nuanced understanding of topics.