Hello Aspirant,

Important chapters for JEE-Advance are enlisted from each of the three subjects :-

@Physics

• Geometrical optics
• Thermodynamics
• Waves and sound
• Electromagnetic induction
• Dimensional analysis
• Rotational dynamics
• Kinetic theory of gases
• Gravitation
• Electrostatics
• Current electricity and heat transfer

@Mathematics

• Definite integration
• Probability
• Matrices and determinants
• Parabola
• Circle
• Differential equation
• Sequences and series
• Vector
• Three dimensional geometrical system
• Application of derivatives

@Chemistry

• Redox reactions
• Chemical bonding and the periodic table
• Carbon and compounds and their derivatives
• Mole concept and the concept of equivalents
• Thermochemistry hand second law of thermodynamics
• Solid state, solutions and gases theory

For complete syllabus of JEE-advance refer to the link given below :-

https://engineering.careers360.com/articles/jee-advanced-syllabus

I hope this information helps you.

Good Luck!!