Effective note-taking strategies for UPSC candidates can significantly enhance their study efficiency. One beneficial approach is the Cornell Method, which involves dividing notes into sections for cues, notes, and summaries, facilitating easier review. Additionally, candidates should focus on writing concise, organized notes, using bullet points and diagrams for better visual understanding. Utilizing color coding to differentiate topics can also aid retention. Regularly reviewing and revising notes is crucial, as it reinforces learning and helps in identifying knowledge gaps. Finally, integrating technology, like note-taking apps, can streamline the process and enhance accessibility.