Public speaking skills can significantly benefit UPSC candidates during interviews by enhancing their ability to articulate thoughts clearly and confidently. Effective public speaking enables candidates to present their ideas persuasively, making a strong impression on the interview panel. It cultivates qualities like poise and confidence, allowing aspirants to handle questions with clarity, showcasing their knowledge and critical thinking. Additionally, these skills help in managing nerves and preparing for scenario-based questions that may arise during the interview process. Ultimately, strong public speaking capabilities can significantly influence candidates' chances of success in the UPSC examination.