Case law plays a vital role in the study of law for UPSC aspirants as it provides practical insights into the application of legal principles. Understanding landmark judgments helps candidates grasp the judicial reasoning process and its implications on legislation and society. Analyzing cases enhances critical thinking and aids in the development of legal arguments, important for both the exam and interview. Moreover, familiarity with relevant case laws prepares aspirants for addressing complex legal questions and enhances their overall grasp of legal concepts.