The discussion of case laws is significant in UPSC preparation as it helps candidates understand the practical application of legal principles. Analyzing landmark judgments informs aspirants about judicial reasoning and the judiciary's role in governance. This understanding is crucial for subjects like polity and law. Engaging with case studies during preparation allows candidates to link theory with practice. Moreover, articulating thoughts on case laws during interviews showcases analytical abilities, reinforcing a candidate's aptitude for understanding complex legal issues.