Effective revision strategies for UPSC include creating a structured revision schedule that allocates time for each subject, ensuring comprehensive coverage of the syllabus. Utilize summary notes and flashcards to reinforce key concepts, making review sessions more efficient. Regularly practice mock tests under exam conditions to identify strengths and weaknesses. Group discussions can also help consolidate knowledge and clarify doubts. Furthermore, revisiting previous year question papers allows candidates to analyze trends and frequently asked topics. Finally, relaxation techniques, such as taking breaks and engaging in physical activities, can enhance focus and retention during the revision process.