Candidates can apply several strategies for effective revision before the UPSC exams. Creating a structured revision plan that encompasses all subjects with specific timelines is crucial. Regularly taking mock tests in simulated exam conditions can help reinforce knowledge and improve time management. Additionally, revising through flashcards and mind maps aids in retaining complex information. Engaging in group studies or discussions can enhance understanding of topics. It is also beneficial to prioritize revisiting key concepts while reviewing past question papers to identify patterns and expected topics, ultimately boosting confidence and preparation.