Group discussions are crucial for candidates preparing for UPSC interviews as they foster exchange of ideas and perspectives. Engaging in discussions enhances analytical thinking and public speaking skills, showcasing a candidate's ability to articulate thoughts clearly. These discussions also simulate the interview environment, helping aspirants practice responses to potential questions. Furthermore, receiving feedback from peers allows candidates to identify strengths and weaknesses in their communication style. Overall, group discussions can build confidence and prepare candidates for the collaborative decision-making processes essential in civil services.