Hello kartik,

There are some important chapters for JEE Exam as:-

For maths:-

•Differential Calculus.

•Integral Calculus.

•Coordinate Geometry.

•Co-ordinate Geometry (3-D).

•Matrix & Determinants.

•Probability.

•Trigonometry.

For physics:-

•Electrodynamics.

•Mechanics.

•Modern Physics.

•Heat & Thermodynamics.

•SHM & Waves.

For chemistry:-

•Thermodynamics.

•Alkyl Halides.

•Aldehydes and Ketones.

•Carboxylic Acids & Its Derivatives.

•Co-ordination Compound.

•General Organic Chemistry.

I hope this helpful for you.

Good luck!!