Hello,

I think you are asking about JEE Mains exam. First go for the NCERT Books for all the subjects. It will help you to understand the concept and clear your doubts as well. Solve the practice paper also.

Well, it is high time so, practice with NCERT books.

Hope this will help you. All the best.

Hii

The number of days do not matter, what matters is the dedication and hardwork one has done to achieve something. If you are dedicated enough and have a good practice you can easily achieve what you want. Keep on practicing the mock tests and previous year papers to improve your result. Study well and study smart.
Do not loose hope and stay confident. KEEP PRACTICING .

All the best!!!