The interview process, or Personality Test, in the UPSC significantly influences the final selection of candidates. It assesses not only knowledge but also communication skills, personality traits, and psychological attributes. The overall score combines the interview with written exam results, where candidates engage with a panel of experts. This phase is pivotal as it helps the commission gauge candidates' suitability for administrative roles. Strong performance here can boost an applicant's rank, making interview preparation just as critical as academic studying.