Effective strategies for organizing and accessing study notes for UPSC include categorizing materials by subject or theme, using digital platforms for easy searchability, and maintaining concise summaries. Employing tools like mind maps can aid in visualizing connections between topics, making revision more effective. Regularly updating notes with key points from current affairs ensures that the content remains relevant. Creating a review schedule that incorporates spaced repetition can reinforce learning and retention. Utilizing color-coded systems or visual aids can also enhance organization, allowing aspirants to access information quickly during preparation and revision periods.