NCERT books are widely hailed as the backbone of UPSC preparation. Their strengths lie in clear, simplified language, structured concept delivery, and alignment with the exam syllabus - making them ideal for aspirants establishing a strong foundation in subjects like history, geography, polity, and economics . These texts also offer authentic, unbiased content, credible to build understanding and confidence.

Moreover, many previous year’s UPSC questions are either directly based on or conceptually derived from NCERT books, highlighting their exam relevance. Top performers often recommend starting with NCERTs and using their clarity to transition to advanced materials.

However, NCERTs alone aren't sufficient. Aspirants must later invoke standard reference books for detailed knowledge, current affairs, and analytical depth, especially required for Mains and essay writing.

A balanced, strategic preparation - beginning with NCERTs to build strong foundations and advancing with specialized texts—offers the best shot at UPSC success.