Dear student,

So here are some basic chapters of JEE syllabus. However I recommend you for covering each chapter atleast till moderate level.

Physics :- 1.ktg and thermodynamics

2.gravitation

3.sound waves

4.unit and dimensions

5. motion

Chemistry :-

1.chemical kinetics

2. Solid state

3.mettalurgy

4.structure of atom

Maths :-

1.statistics

2.differential equations

3.area under the curve

4. binomial theorem

5. differentiation

6.sets and relations

7. limits

8.probability