Previous year question papers are invaluable for UPSC preparation as they provide insight into the exam pattern and frequently tested topics. Analyzing these papers helps aspirants identify important themes and the type of questions asked in both Prelims and Mains. Working through these questions enhances exam readiness, as it improves familiarity with the format and builds confidence. Additionally, practicing these papers aids in timing responses during the actual exam and allows candidates to gauge their progress, helping them fine-tune their study approach.