An understanding of national security is critical for the UPSC Civil Services Examination as it encompasses elements essential for governance and policy-making. Candidates are expected to grasp issues related to defense, internal security, and international relations. This knowledge not only enriches their perspective on contemporary challenges but also fosters a holistic approach to national issues. Being informed about security matters equips aspirants to address questions effectively in the examination, highlighting their readiness to handle significant responsibilities as future civil servants.