Aspirants can incorporate inter-disciplinary approaches into their UPSC study plan by integrating concepts from various subjects. For instance, relating historical events to their implications on current governance or policy can offer valuable insights. This fusion enhances analytical skills by drawing connections between Political Science, Economics, and Geography. Utilizing literature, sociology, or ethics to deepen the understanding of governance principles exemplifies an inter-disciplinary approach. Such integration broadens perspectives, enriches answers, and demonstrates an ability to synthesize knowledge across different domains—an essential skill for the UPSC exams.