Peer study groups can have a significant impact on UPSC preparation by fostering collaborative learning and sharing diverse perspectives. Engaging with peers helps candidates clarify concepts, discuss difficult topics, and motivate one another. Group discussions often enhance retention of knowledge through verbal articulation. Additionally, accountability within study groups encourages regular study habits and dedication to the preparation process. These groups can also provide emotional support, helping to alleviate stress and isolation during intense preparation periods. Overall, forming effective study groups can enrich the learning experience and improve overall performance in the examination.