Candidates can leverage group discussions for UPSC interview preparation by enhancing their communication skills and gaining diverse perspectives. Engaging in structured discussions helps aspirants articulate their thoughts clearly and develops their ability to defend opinions effectively. Such interactions can clarify concepts and current affairs while building confidence in public speaking. Group discussions foster teamwork and give feedback, allowing candidates to improve their performance based on collective insights. Additionally, discussing scenarios and case studies relevant to civil services helps aspirants develop critical thinking and decision-making skills essential for their future roles.