Hello,
.
Here I will clear you about the important books and authors which you should refer,
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Firstly refere 11 and 12th books of NCERT. Be perfect with them, when you are done, go through below mentioned syllabus,
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Recommended books for physics,

• Concepts of physics volume 1 and 2 by HC Verma
• Fundamentals of physics by halliday, resnick, walker
• Problems in general physics by I.E irodov

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Recommended books for chemistry,

• Numerical chemistry by P.bahadur
• Inorganic chemistry by JD Lee
• Organic chemistry by Paula bruice yurkains

.
Recommended books for maths

• Trigonometry by S.L loney
• Higher algebra by hall and knight
• Co ordinate geometry by S.L loney

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For any other queries like exam pattern, how to attempt, time refer the below provided link.
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https://engineering.careers360.com/articles/jee-main-exam-pattern
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This will help you out for sure.
Best of luck

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