NCERT books play a pivotal role in UPSC exam preparation as they provide a strong foundational understanding of various subjects. These textbooks are well-structured and cover the essential syllabus topics, making them an excellent starting point for aspirants. They help in grasping fundamentals before moving on to advanced materials. Additionally, NCERT books are often succinct and easy to comprehend, which promotes effective retention. Their focus on important concepts and historical contexts equips candidates to answer diverse questions effectively. Overall, integrating NCERT books into the study plan creates a solid base for further learning and examination success.