Case studies inform practical knowledge related to political sociology for the UPSC exam by providing real-world examples that illustrate theoretical concepts. They enable candidates to analyze social structures, power dynamics, and the impact of governance on various communities. By studying case studies, aspirants can observe intricate relationships between politics and society, enhancing their understanding of policy implications. These examples serve to illustrate the challenges and successes of governance, ensuring that candidates can apply theoretical frameworks to practical scenarios effectively. Consequently, this understanding enriches their analytical skills and prepares them for essay writing and discussion in the examination.