Knowledge of case law is vital for UPSC examination preparation, particularly for subjects like Law, Political Science, and Public Administration. It provides candidates with valuable insights into the functioning of the Indian legal system and its implications on governance and policy-making. Understanding landmark judgments helps in analyzing contemporary issues and legal principles that shape administrative decisions. Moreover, it enriches the quality of answers in both the Mains and Interview, showcasing analytical depth and a grasp of legal contexts, which are essential for aspiring bureaucrats.