Critical thinking is essential for the UPSC interview phase as it allows candidates to analyze questions, formulate coherent arguments, and provide well-rounded answers. During the interview, panelists often look for candidates who can not only present facts but also demonstrate analytical skills and sound judgment. Candidates must adapt to unexpected questions, requiring the ability to apply logical reasoning to various scenarios. Moreover, critical thinking helps candidates articulate their opinions clearly, showcasing confidence and knowledge. This skill differentiates candidates who can thrive under pressure and showcases their suitability for administrative roles.