In order to crack JEE Main exam make sure your concepts are clear. Your fundamentals should be strong. You can take help of NCERT books for that. Complete your syllabus first you can focus on important topics. You can solve MCQs realted to important topics for your practice. You can refer previous year papers to understand the exam pattern and level of questions.

In order to prepare for JEE make sure you choose right study material Students should choose books that cover entire JEE Main Syllabus and are as per JEE Main Pattern. Suggesting the books for preparation of Mathematics, Dr. Ravi Prakash- Associate Professor in the Department of Mathematics, Delhi University, says, “Complete Mathematics by McGraw Hill Education Pvt Ltd., Coordinate Geometry by S.L. Loney and 103 Trigonometry Problems by Titu Andreescu & Zuming Feng are some of the good books that JEE aspirants can refer”.

You should make your own time table according to your comfort. So, you can easily complete your syllabus and you get time for revision.

Below are the important topics which you can focus more

Physics: Newton’s Laws of Motion, Work Energy Power, Conservation Laws, Rotation Motion, Electrostatics, EMI, Heat and Thermodynamics, Nuclear Physics and Radio Activity, Semiconductor

Chemistry: Redox Reactions, Electrochemistry, Chemical Kinetics, GOC, P Block Elements

Mathematics: Conic Section, P&C, Probability, Quadratic Equation, Definite Integration, Differential Equation, Vector and 3D, Complex Number

All the Best!!

Firstly you need to go through well with NCERT  books to clear your basics.

Here are some preparation tips for the preparation tips you can follow.

Go through with previous year paper it will give you an Idea about the questions.

Make your time schedule subject wise & topic wise.

Work on weak areas & do practise as much you can.

Make your short notes as per your convenience & note down the formulaes.

Do revision after completing each chaptor.

Devide the topic for the study as per your convenience. Do not mess up all.

Join Mock test to analyze your performance.

Most important be confident for your preparation.

Good Luck!