The interview process in the UPSC Civil Services Examination is structured to assess a candidate's personality, aptitude, and adaptability. It is conducted by a board of experienced members who ask questions related to the candidate's background, academic knowledge, and current affairs. The interview focuses on evaluating attributes like leadership skills, communication, and analytical thinking. Additionally, candidates may be questioned about their service preferences and how they cope with challenges. The process aims to gauge a candidate's overall suitability for civil service roles, reflecting their potential to handle real-world responsibilities.