Soft skills significantly enhance a candidate's performance in the UPSC interview. Skills such as communication, critical thinking, and emotional intelligence can help candidates articulate their thoughts clearly and confidently. Good interpersonal skills foster rapport with the panel, allowing for a more genuine conversation. Adaptability and problem-solving abilities also come into play, as candidates may encounter unexpected questions or scenarios during the interview. Additionally, being attuned to non-verbal cues can enhance overall presentation, further ensuring a positive impact on the interviewers.