You can check out the depend link below in the link the important topics which you can do to score good marks in JEE mains arE mentioned .

Physics and Measurement
Work, Energy and Power
Rotational Motion
Properties of Solids and Liquids
Thermodynamics
Kinetic Theory of Gases
Oscillations and Waves
Electrostatics
Current Electricity
Magnetic Effects of Current and Magnetism
Electromagnetic Induction and Alternating Currents
Electromagnetic Waves
Optics
Dual Nature of Matter and Radiation
Atoms and Nuclei
Electronic Devices
Sets, Relations and Functions
Permutations and Combinations
Binomial Theorem and its Simple Applications
Sequence and Series
Limit, Continuity and Differentiability
Integral Calculus
Differential Equations
Trigonometry
You can search up the given link for more details these chapters are considered important because they have high weight age is and can help you Score High marks in the exam.

iMP TOPICS