Personal experience plays a crucial role in crafting compelling UPSC interview responses. Candidates are expected to connect their life experiences, values, and motivations to their aspiration of serving the public. Sharing personal stories can illustrate a candidate's understanding of societal issues, empathy, and commitment to public service, thereby making their responses authentic and relatable. It helps interviewers gauge a candidate's suitability for the Civil Services by showcasing not only their knowledge but also their personality and human touch, crucial for governance roles.