Effective revision strategies for candidates in the weeks leading up to the UPSC exam include prioritizing high-yield topics based on past trends. Utilizing revision notes, flashcards, and summaries can help reinforce key concepts efficiently. Group discussions and mock tests provide valuable opportunities for practice while identifying areas needing further improvement. Time management is crucial; employing techniques like the Pomodoro Technique can enhance focus during study sessions. Regular breaks and maintaining a healthy routine boost productivity and retention. Staying current with current affairs and revisiting difficult subjects ensures comprehensive preparation.