That's the most efficient approach to preparation! The entire JEE Main Syllabus is fundamentally based on the topics covered in the NCERT Class 11th and 12th textbooks for Physics, Chemistry, and Mathematics.

Here's what you need to know:

• NCERT is the Core: Approximately 60-70% of the JEE Main syllabus directly comes from the NCERT books. You must consider these textbooks as your foundation and cover every single topic and exercise.

• Minor Overlaps/Additions: While most of the syllabus aligns, JEE Main sometimes includes a few concepts or deeper applications (especially in complex numbers, differential calculus, and some physics derivations) that extend slightly beyond the direct NCERT text, requiring extra practice.

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• Chemistry Exception: Physical and Inorganic Chemistry are almost 100% covered by NCERT. For Organic Chemistry, mastering the reactions and mechanisms taught in the NCERT is critical before moving to advanced texts.

You can download the PDF containing the complete, topic-wise JEE Main syllabus to cross-reference with your NCERT chapters here: https://engineering.careers360.com/download/ebooks/jee-main-syllabus . This linkage is your best study guide!