Its recommended to solve from best suggested books for each chapger shared below. 

https://university.careers360.com/articles/how-prepare-jam-physics

You should also go for writing down important concepts and revise regularly and solve maximum mock exams. 

Hello,

The main thing is that you have to build your concentration level, then only you can stay focused on your goal. I would like to say that please limit the study time between 10 to 12 hours and please increase your concentration and speed of reading, understanding and solving

Hi

Chemical Engineering is opted by a large number of candidates after their B.Tech in the concerned/relevant field. As per the analysis, almost 19,000 candidates apply for GATE in the branch of chemical engineering.

The GATE chemical Engineering syllabus covers 70% marks of the question paper and rest 15% and

Dear student.

Greetings.

For a well structured JEE main preparation, you should start with the NCERT textbooks. You must read and solve the NCERT textbooks in such a way that you are able to solve any question from it easily. Then, you should opt for reference books which will provide

Practice well from NCERt books, revise over weekend and have short notes with you. Go for groups study and doubt solving and appear for more than 20 mocks and analyze mistakes and scrutinize negative zones. 

Preparatory tips below for reference. 

https://engineering.careers360.com/articles/jee-main-preparation-tips

Hi,

JAM 2019 will be conducted on February 10, 2019. Preparing for JAM Mathematics can be a little overwhelming given the vast syllabus to be completed within a small amount of time. Preparation for JAM 2019 can be made simple with a few steps which, if followed correctly, will give

Ncert the most important book for all the subjects you just need to learn thoroughly all the books of NCERT of all the subjects .

Other than that for mcqs ... NCERT fingertips MCQ book for biology , chemistry , physics or uh can also follow this books mentioned below