Hey.

Here is the weightage or blue print  for PCM for preparation of JEE mains

Mathematics-

Co-Ordinate Geometry  17%  

Calculus  27%

 Algebra  27%

 Vector/3-D Geometry  10%

 Trigonometry  6%

 Sets & Relations,Mathematical Reasoning, Statistics  13  

Physics-

Mechanics  30%  

Heat & Thermodynamics  7%

 Electrostatics & Current Electricity  17%

 Magnetics & Electro Magnetic Induction  13%

 Optics & Waves  3%

 Modern Physics  10%

 Simple Harmonic Motion, Waves & Elasticity  7%  

Semi-Conductor Devices, Electromagnetic Waves and Principles of Communication- 13%

Chemistry-

Inorganic Chemistry- Classification of Elements and Periodicity in Properties, General Principles and Process of Isolation of Metals, Hydrogen, s - Block Elements (Alkali and Alkaline Earth Metals), Co-ordination Compounds, Environmental Chemistry to name few.  

Organic Chemistry- Purification and Characterisation of Organic Compounds, Some Basic Principles of Organic Chemistry, Hydrocarbons,Organic Compounds Containing Oxygen, Organic Compounds Containing Nitrogen, Bio Moleculesetc.  

Physical Chemistry- Some Basic concepts in Chemistry,States of Matter, Atomic Structure, Chemical Bonding and Molecular Structure,Chemical Thermodynamics, Equilibrium, Surface Chemistry,Chemical Kinetics and Redox Reactions and Electrochemistry.

 Topic-wise Percentage Break-up-

Organic Chemistry  30%

 Inorganic Chemistry  30%  

Physical Chemistry  40%