Critical thinking is essential in navigating the complexities of UPSC questions, as it allows candidates to analyze, evaluate, and synthesize information effectively. This skill aids in discerning between relevant and extraneous details, ensuring focused responses. Challenging assumptions and questioning source credibility is also vital for achieving depth in answers. By fostering an analytical mindset, candidates can draw connections between various subjects, leading to more comprehensive and articulate responses. Additionally, critical thinking enables better preparation for unforeseen questions, thereby enhancing overall performance in the exam.