Hello Aspirant,

Jee mains is not an easy entrance exam. It requires extreme amount of dedication, hard work and regular, consistent practice of questions. with the right preparation tips and strategies your can surely be able to score well in your JEE mains examination and could secure such rank which will offer you some good Colleges in India. Since you mentioned that yu have not performed well academically in class 11th, but do not worry. Follow these below preparation tips and strategies to perform great in your JEE exams :

Know your JEE Main syllabus 2022.

Understand the exam pattern of JEE Main 2022 exam.

Make the JEE Main 2022 preparation plan.

Books to refer : TO refer for best books for JEE mains follow the below mentioned link : https://engineering.careers360.com/articles/how-prepare-for-jee-main

Practice till you are perfect using mock tests and JEE Main previous year papers.

Further, to know further details and preparation for JEE mains exam follow the below mentioned link :

https://engineering.careers360.com/articles/how-prepare-for-jee-main

Further, below I am referring some of the best books for JEE mains that will help you in JEE mains preparation :

For PHYSICS :

Concepts of physics for JEE - H.C. Verma (Vol. I and Vol. II)

Fundamentals of Physics by Halliday, Resnick & walker

Understanding Physics by D C Pandey (Arihant Publications): Set of books for
Electricity & Magnetism
Mechanics (Vol. 1 & 2)
Optics & Modern Physics
Waves & Thermodynamics
Problems in General Physics by I.E Irodov
Understanding physics by Freedman and Young
Problems in physics by SS Krotov
Problems and solution of physics by Shashi bhushan tiwari

FOR CHEMISTRY :

NCERT Textbooks (for Class XI and XII )
Modern Approach to Chemical Calculations by R.C. Mukherjee
Organic Chemistry by O P Tandon
Concept of Physical Chemistry by P Bahadur
Concise Inorganic Chemistry by J D Lee
Physical Chemistry by P.W. Atkins
Organic Chemistry by Morrison & Boyd

FOR MATHEMATICS :

Objective Mathematics by R D Sharma
Plane Trigonometry by S L Loney
The Elements Of Coordinate Geometry by S L Loney
Algebra by Dr S K Goyal Arihant Publications
Play with Graphs by Amit M Agarwal (Arihant Publications)
Differential Calculus by Amit M Agarwal (Arihant Publications)
Integral Calculus by Amit M Agarwal (Arihant Publications)
Complete mathematics for JEE Main TMH

Further, to know more about the JEE mains exams, and about the preparation tips, you can follow the below mentioned link : https://engineering.careers360.com/articles/jee-main-preparation-tips

https://engineering.careers360.com/articles/jee-main-2022

I hope that this will help.