During the UPSC interview phase, candidates face challenges such as anxiety and the pressure to perform well under scrutiny. They often struggle with articulating their thoughts clearly and confidently. Questions can range from personal background to current affairs, requiring candidates to exhibit both depth of knowledge and personality traits. The unpredictability of questions can also cause stress. Additionally, handling panel members' body language and responses is challenging. Therefore, aspirants must prepare thoroughly and practice mock interviews to enhance their confidence and communication skills.