NCERT material is crucial for UPSC aspirants as it provides a solid foundation in Indian history, geography, politics, and culture. This content aligns with the syllabus and ensures comprehension of fundamental concepts, which are critical for both the Preliminary and Mains examinations. The concise and clear structure of NCERT books makes them ideal for building conceptual clarity and retention, which is essential during the vast preparation journey. Additionally, many questions in the UPSC exams often take cues from NCERT textbooks, making them a reliable resource for targeted preparation.