Public administration as an optional subject can benefit UPSC aspirants by providing a strong foundation in governance and policy-making. It covers essential topics like bureaucratic structures, public policy, and administrative theories, equipping candidates with insights applicable to civil services. This knowledge is often directly relevant to the General Studies papers, aiding candidates in answering related questions with confidence. Moreover, an understanding of public administration can prepare aspirants for real-world administrative challenges, enhancing their analytical and problem-solving skills, crucial for effective governance.