UPSC measures analytical thinking through various components of its examination structure, especially in the mains. The need for candidates to analyze complex scenarios, evaluate policies, and propose solutions reflects their capacity for critical reasoning. Mains answers require not only factual knowledge but also the ability to synthesize information and present arguments clearly and effectively. Analytical writing and case studies are common formats used in evaluation. This focus ensures that successful candidates can engage with real-world issues, demonstrating their preparedness for the nuanced decision-making required in civil services, thereby highlighting the importance of analytical abilities.