Top strategies for preparing for the current affairs section of UPSC include dedicating time each day to read newspapers and monthly magazines focused on national and international news. Maintaining a dedicated notebook or digital app for jotting down important events, statistics, and themes is effective for revision. Additionally, aspirants should follow credible online platforms and news channels for updates. Regular quizzes and discussions with study groups help reinforce learning. Utilizing summary formats for quick revisions and categorizing current affairs according to the syllabus can streamline the preparation process.