Familiarity with case law significantly impacts UPSC exam readiness by providing candidates with a practical understanding of legal principles and their applications. Knowledge of landmark judgments helps candidates analyze and interpret laws effectively, which is crucial for subjects like Constitutional Law and Polity. Engaging with case studies enhances critical thinking and allows aspirants to grasp the implications of legal precedents in real-world contexts. This competency not only enriches their answers in the exam but also prepares them for roles in public administration where legal literacy is essential for decision-making.