Interdisciplinary approaches can greatly enhance UPSC Mains preparation by integrating knowledge from various subjects. Candidates can draw connections between geography, politics, and economics, fostering a comprehensive understanding of complex issues. For instance, linking environmental policies to sociopolitical contexts can enrich responses in essays and interviews. Collaborative study groups enable sharing diverse perspectives and insights, improving critical analysis. Additionally, utilizing subjects like history and ethics in analytical essay writing ensures well-rounded arguments. This holistic approach cultivates adaptable thinkers, better equipped to tackle the multifaceted challenges presented in the examination.