Effective note-taking during UPSC preparation can include several strategies. One approach is to use the mind mapping technique, which visually organizes information, facilitating easier recall. Another is the Cornell method, where notes are divided into key points, details, and summaries to enhance understanding. Utilizing digital tools can also simplify the process, allowing for quick edits and easier sharing. Regularly reviewing and recapping notes will reinforce learning and aid long-term retention. Additionally, categorizing notes by topics makes revision systematic and efficient.