The UPSC syllabus evolves periodically to remain relevant to current developments in society, governance, and global affairs. Changes may arise from new issues in politics, economics, or environment, reflecting the needs of a dynamic nation. Additionally, feedback from stakeholders and changes in policy objectives can influence syllabus modifications. Aspirants must stay updated by regularly checking notifications from the UPSC website, as well as consulting previous year papers and expert analyses to grasp the direction of such changes.