Hello Abhay,

Aldehyde ketones and carboxylic acids and hydrocarbons are the most important topics in the organic chemistry which have the wastage of approximate 14% to 15%. P block elements also have the highest voltage in the chemistry that is approximately 22% to 30%. Differential and integral calculus is the maximum marks that is of 38 approximately. Then the co-ordinate geometry with approximately 18 number marks and then the vector and 3D with 11 marks approximately.

For more information related to the syllabus of JEE advanced you can go through the link given below.

Link:- https://engineering.careers360.com/exams/jee-advanced

I hope your question has been answered properly.

All the best!