Interlinking subjects is a vital strategy in UPSC preparation as it promotes a comprehensive understanding of the syllabus. By connecting concepts from different subjects, aspirants can foster a holistic perspective, enhancing retention and application of knowledge. For instance, linking Geography with History helps in understanding socio-political contexts, while relating Polity with Current Affairs assists in grasping contemporary issues. This interconnectedness is often reflected in the exam pattern where questions can span multiple subjects, testing analytical abilities.