I can suggest you scoring and important topic in phy ,chem and mathematics to score better marks in exam.You have plenty of time for 2nd phase examination.In mathematics you should focus in following unit:-Differential and Integral Calculus,trigo,sequence and series,matrix and determinants,function, Coordinate Geometry and last complex.

In Physics you should focus:-kinetics ,netwon law of motion and friction,work power energy, properties of matter,Rotational Dynamics,simple harmonic motion,electrostat el, Electrodynamics,modern physics,and last AC.

In chemistry Go through each and every chp of physical chemistry and organic chemistry.In  inorganic chemistry you should only read chemical bonding,peroidic classification d block and f block element.

You should attempt first chemistry during examination.In minimum time you will solve maximum problem which will rise your confidence.

You can ask if you have any other queries.

BEST OF LUCK

hello aspirant,
firstly, i suggest you to come out of from query regarding which colleges we can get so that what are the main topics we will study.
it is a highly very wrong thinking,  so i will suggest you the best information so that you will be understanding what should be the answer
see, not only studying related topics is not important, but any college you can get if you score high marks and high rank based on your category.
i will provide you some of the important topics in each subject which will help you to crack the exam and go for further counsellings in order to get  admission in your desired college
regarding subjects and important topics and their  weightage,  prepare accordingly the topic which has more weightage in marks.
go through below link
JEE Main 2019 - Preparation Tips, Important Topics & Books
https://engineering.careers360.com  ...
go through it,  practice well sure you will crack and get admission in your desired college and particular stream.
thank you

NIT Srinagar

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