JEE Main

Hello Pravin Kumar,
Important Topics for Physics in JEE are:
1) Dimensional Analysis
2) Gravitation & Electrostatics
3) Current Electricity & Heat Transfer
4) Electromagnetic Induction, Waves & Sound
5) Geometrical Optics , Thermodynamics
6) Kinetic Theory of Gases, Rotational Dynamics
Important Topics for Maths in JEE are:
1) 3-D Geometry
2) Probability and Statistics
3) Vector Algebra
4) Integration
5) Complex Numbers
6) Parabola
7) Trigonometric Ratios
8) Coordinate Geometry
9) Continuity/ Differentiability, Limits
10) Complex No., Quadratic Equation
11) Integral Calculus
Important Topics for Chemistry in JEE are:
1) Mole Concept
2) Co-ordination Chemistry
3) Alcohol, Phenols and Ethers
4) p-Block elements
5) Atomic Structure
6) Gaseous State
7) Hydrocarbons
8) Aldehydes and Ketones
9) d & f Block Elements
10) General Organic Chemistry
11) s-Block Elements
12) Thermodynamics
All the best.