Hello Vibhav hope you are doing well,

The most important chapter of Physics, Chemistry, Mathematics, English Proficiency and Logical reasoning is as follows:

Physics:

Current Electricity (9% questions)

Mathematics:

Trigonometry (9% questions)

Chemistry:

General Organic Chemistry (12% questions)

English Proficiency:

Synonyms and Antonyms (30% questions)

Logical Reasoning:

Logical Deduction (26% questions)

feel free to ask in the comment box if you are having any  further doubts