You can check the important chapters below which you should complete first according to previous year trend

Physics

In order to score good marks in physics make sure you have good hold on the concepts your basics should be clear. NCERT is the best book to make your fundamentals strong

You can check the topics below which carries more weightage in the exam

Capacitance- 6.67%

Current Electricity- 10.00%

Calorimetry & Thermal Expansion- 6.67%

KTG & Thermodynamics- 6.67%

Rigid Body Dynamics- 6.67%

Work, Power & Energy- 6.67%

Modern Physics- 10.00%

Chemistry

You should read chemistry as much as possible and make sure you do proper revision as well.

You can check the topics below which carries more weightage in the exam

Chemical Bonding- 6.67%

S-Block- 6.67%

Alkyl Hallide, Alcohol & Ether (ReactionMechanism)- 13.33%

Mole Concept- 10.00%

Thermodynamics and Thermochemistry- 6.67%

Mathematics

For, Mathematics lot of practice is required. Solve MCQs as much as you can to work on your speed and accuracy.

You can check the topics below which carries more weightage in the exam

Co-ordinate Geometry (3-D)- 6.67%

Application of Derivatives- 6.67%

Functions- 6.67%

Matrices & Determinants- 6.67%

Probability- 6.67%

All the best for your preparation and exam!!