Past UPSC candidates can offer invaluable guidance to newcomers through mentorship and resource-sharing. They can share effective study strategies, recommended materials, and crucial insights into the examination format and evaluation criteria. Conducting workshops or study groups fosters a collaborative spirit, where experienced aspirants address common challenges faced. Providing emotional support and sharing personal experiences can also encourage newcomers, helping to reduce anxiety. Additionally, past candidates can assist newcomers in developing a clear understanding of the syllabus and the importance of time management, enhancing their overall preparation strategies.