You should prefer the following book for the preparation.

Physics:

• Concepts of Physics, part 1 and 2 – H.C Verma
• NCERT Textbooks – Class 11th and 12th
• Understanding Physics series – D.C Pandey

Chemistry:

• NCERT Textbooks – Class 11th and 12th
• O.P Tandon books – Organic, Inorganic and Physical Chemistry

Mathematics:

• NCERT Textbooks – Class 11th and 12th
• R.D Sharma Mathematics

All the very best and good luck.

ill not give you a very long list of books but specifically NCERT is must for the boards and for other competetive exams, one can use RD SHARMA for maths, HC Verma for physics and Pradeep publication for chemistry

Hey Sparsh Mathur,

For Clearing JEE,SRM JEE,VITEEE,BITS pilani and all other entrance exams you can go through the following books which may help you in clearing them,

for physics you can go through,

1.NCERT physics part1 and part2 textbook for class XII

2.Concepts of physics by H.C. Verma (includes volume 1 and 2)

3.Understanding physics series by D.C. Pandey

for chemistry you can go through,

1.NCERT Chemistry part 1 and 2 for class XII

2.Physical chemistry by P.Bahdur

3.Inorganic chemistry by O.P.Tandon

4.Organic chemistry by Arihant

for Mathematics you can go through,

1.NCERT maths part 1 and 2 for class XII

2.Objective maths by R.D.Sharma

Dear Sparsh,

It is good that you are applying for so many entrance exam to get admission in good college.

In order to start your preparation you should refer to NCERT books it will help you to clear your concepts and to build your fundamentals strong. 

Apart, from NCERT you can refer other books as well

Physics

HC Verma

Chemistry

OP Tandon

Mathematics

RD Sharma

You should refer to previous year papers to understand the exam pattern and level of questions for each exam and solve as many as mock test series for your practice. 

If you are well prepared for JEE Main you can easily crack other exams as well.

All the best for your preparation and exam!!