Aspirants can effectively review their performance after taking the UPSC exam by analyzing their answers critically and reflecting on the overall exam experience. Reviewing question patterns and identifying time management issues can provide insights into strengths and weaknesses. Engaging with peer discussions about their performances can expose diverse strategies and perspectives. Additionally, referring to reputable answer keys or expert analyses enables aspirants to gauge their scores more accurately. Implementing feedback into future preparation cycles helps refine study methods and improve readiness for subsequent attempts.