International relations play a significant role in the UPSC examination as they relate to India's diplomatic strategies, national security, and global policies. Candidates must understand current geopolitical scenarios, international organizations, and treaties influencing India’s relations with other nations. Questions on international relations frequently appear in both the preliminary and main examinations, necessitating a thorough grasp of concepts like globalization, trade relations, and regional conflicts. An informed perspective on these topics can enhance candidates' evaluation abilities, important for both essays and interviews.