Peer reviews play a crucial role in the refinement of knowledge during UPSC preparation. They offer candidates a platform to present and critique arguments, helping them identify any knowledge gaps or misconceptions. Collaborative feedback enhances understanding of complex topics and fosters critical thinking. Moreover, peer reviews encourage candidates to articulate their thoughts clearly, which is vital for structured answers in the exam. Engaging with peers exposes aspirants to diverse perspectives and robust discussions, thereby enriching their learning process. Overall, peer reviews serve as a valuable skill-building exercise, enabling candidates to adopt a more comprehensive approach to their studies.