Hello Aspirant,

No there are not much differences in the syllabus of JEE-Main and WBJEE, they both are almost similar based upon the syllabus of class 11th and 12th.

WBJEE syllabus is mentioned below for your reference :-

@Physics

• Physical World, Measurements, Units & dimensions
• Kinematics
• Laws of motion
• The motion of centre of mass, connected systems, Friction
• Gravitation
• Bulk properties of matter
• Viscosity
• Thermodynamics
• Kinetic theory of gases
• Oscillations & Waves
• Electrostatics
• Current Electricity
• Magnetic effect of current
• Magnetics
• Electromagnetic induction & alternating current
• Electromagnetic waves
• Optics I (Ray optics)
• Optics II (Wave Optics)
• Particle nature of light & wave-particle dualism
• Atomic Physics
• Nuclear Physics
• Solid state Electronics

@Chemistry

• Atoms, Molecules and Chemical Arithmetic
• Atomic Structure
• Radioactivity and Nuclear Chemistry
• The Periodic Table and Chemical Families
• Chemical Bonding and Molecular Structure
• Coordination Compounds
• Solid State
• Liquid State
• Gaseous State
• Chemical Energetics and Chemical Dynamics
• Physical Chemistry of Solutions
• Ionic and Redox Equilibria
• Hydrogen
• Chemistry of Non-Metallic Elements and their Compounds
• Chemistry of Metals
• Chemistry in Industry
• Polymers
• Surface Chemistry
• Environmental Chemistry
• Chemistry of Carbon Compounds
• Compounds
• Haloalkanes and Haloarenes
• Alcohol
• Aromatic Compounds
• Application Oriented chemistry
• Introduction to Bio-Molecules
• Principles of Qualitative Analysis

@Mathematics

• Algebra
• Arithmetic Progression G.P., H.P
• Sets, Relations and Mappings
• Logarithms
• Complex Numbers
• Permutation and combination
• Polynomial equation
• Principle of mathematical induction
• Matrices
• Binomial theorem (positive integral index)
• Statistics and Probability
• Trigonometry
• Coordinate geometry of two dimensions
• Coordinate geometry of three dimensions
• Differential calculus
• Calculus
• Integral calculus
• Application of Calculus
• Differential Equations
• Vectors

For complete details kindly check out the link given below :-

WBJEE syllabus 2022 (Out) - Know Important Topics Here (careers360.com)

I hope this information helps you.

Good Luck!!