To approach reading NCERT books for UPSC preparation, candidates should focus on grasping the core concepts rather than rote learning. It’s important to prioritize understanding over memorization, as NCERTs provide foundational knowledge essential for advanced subjects. Taking concise notes while reading can help in revision. Candidates should also connect the content from NCERTs with current affairs and other relevant resources for a comprehensive understanding. Regularly revisiting these books is beneficial, ensuring a solid grasp of fundamental concepts crucial for both the Preliminary and Mains exams.