Public administration knowledge contributes to UPSC aspirants' overall success by equipping them with a foundational understanding of governance structures, public policies, and administrative processes. This knowledge is critical for tackling questions related to governance in Mains and interviews, as candidates can draw upon theoretical concepts and real-world applications. It also enhances their skills in critical analysis, allowing for informed discussions on public issues and policy implications. Furthermore, a solid grasp of public administration fosters a holistic view of the responsibilities and challenges faced by civil servants.