You can check the important chapters below according to previous year trends

Physics

Heat and Thermodynamics

Work Energy Power

Systems Of Particles And Rotational Motion

Laws of Motion

Motion In A Plane

Moving Charges And Magnetism

Gravitation

Current Electricity

Oscillations

Waves

Chemistry

Chemical Bonding And Molecular Structure

Organic Chemistry-Some Basic Principles And Techniques

Solutions

Organic Compounds Containing C, H And O

Electrochemistry

Classification Of Elements And Periodicity In Properties

Atomic Structure

p-block Elements

States Of Matter: Gases And Liquids

Thermodynamics

Good luck!!