Interdisciplinary studies are significant for UPSC preparation as they help candidates develop a well-rounded perspective on issues. The UPSC syllabus spans topics like politics, economics, environment, and society, necessitating an understanding of their interconnections. A multidisciplinary approach enhances analytical skills, equipping aspirants to tackle complex questions that require comprehensive answers. By integrating knowledge from various fields, candidates can provide holistic and insightful responses in both the Mains exam and the interview, thereby standing out amongst their peers.