Candidates can enhance their note-taking while studying for UPSC by organizing information into structured formats, such as mind maps, summaries, and bullet points for clarity. Utilizing color coding and highlighting key terms can improve retention. Regularly reviewing and updating notes is vital for reinforcing understanding. Additionally, connecting theoretical concepts with real-world examples aids memory. Engaging in active recall techniques, such as testing oneself on the material, can further improve assimilation of information. Digital tools like web applications or apps can also streamline the note-taking process.