Peer study groups play a significant role in UPSC preparation by fostering collaborative learning and motivation among candidates. These groups offer a support system where participants can discuss challenging topics, share resources, and clarify doubts. Engaging with peers enhances perspective and encourages varied approaches to problem-solving. Additionally, study groups promote a sense of accountability, helping members adhere to their study schedules. The collective effort can make daunting tasks more manageable, ultimately contributing to a more enriching preparation experience.