Practicing previous year's papers offers numerous benefits for UPSC preparation. It familiarizes candidates with the exam pattern and the type of questions typically asked, enhancing their confidence. Analyzing these papers helps aspirants identify frequently tested topics, enabling more targeted study. Time management skills improve as candidates learn to complete papers within allotted time frames. Moreover, this practice assists in self-assessment, revealing strengths and areas needing improvement. Regularly solving past papers can also reduce anxiety on exam day, leading to better performance in both the preliminary and mains examinations.