You must follow these steps for Physics for NEET:-

1. Check out the syllabus for NEET exam.

2. Buy help Books and NCERT books.

3. Study NCERT first according to the syllabus.

4. Make notes, self notes are very helpful in studying for competitive exams.

5. Leave half page at the end of every topic and two page at the end of each chapter.

6. Once done with NCERT, use help books, you can alternatively also use some online coaching material or some offline coaching material too, just stick to one thing while preparing for the first time. COmplete one thing then move to another.

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7. Once done start solving previous year questions and question banks and mock exams.

Hope this helps. THank you.