Dear Aspirant,
Here you can find the list of some important & scoring topics for all 3 subjects of JEE:
https://engineering.careers360.com/articles/jee-main-important-topics-books
https://engineering.careers360.com/articles/most-important-chapters-of-jee-main
https://engineering.careers360.com/articles/most-easy-and-scoring-chapters-for-jee-main
https://engineering.careers360.com/articles/important-topics-for-jee-main-and-advanced
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