Candidates should approach interdisciplinary studies for UPSC effectively by integrating knowledge from various subjects like sociology, economics, and political science. This approach facilitates a more comprehensive understanding of complex issues, helping aspirants relate theoretical knowledge to practical scenarios. Starting with a well-structured study plan that allocates time for each discipline is essential. Making connections between different fields encourages critical thinking, which is crucial for answering analytical questions. Utilizing comparative analysis can offer unique insights into diverse topics, enriching preparation. Regular revisions and discussions with peers can further solidify understanding, making interdisciplinary studies a powerful asset in UPSC preparation.