Best practices for effective revision ahead of the UPSC exam include creating a detailed study schedule, focusing on active learning methods such as summarization and self-testing. Breaking down the syllabus into manageable parts prevents overwhelm. Incorporating revision techniques like the Pomodoro technique promotes productivity. Regularly revising previous topics ensures retention. Practicing with past papers familiarizes candidates with the exam format and question style. Lastly, maintaining physical and mental well-being through balanced routines enhances concentration and resilience during the hectic preparation period.