International relations impact UPSC examination subjects by shaping questions related to global diplomacy, security, and foreign policies. As candidates must analyze India’s geopolitical landscape, knowledge of international relations is crucial. Topics such as trade agreements, bilateral relations, and global institutions often feature prominently in the syllabus. Understanding these dynamics aids candidates in comprehending the multifaceted nature of governance, which is essential for effective policy implementation and responding to global challenges in a civil servant’s role.