Hi Sai,
AIEEE has been replaced by JEE Main and JEE Advanced. Below are the guidelines for JEE preparation :
1) To prepare for the exam, you require the right approach along with the right study materials and strategy.
2) Plan your preparation after knowing your strengths and weaknesses. You need to be organized and follow a time-table.
3) You may refer to reference books related to the course. Internet will also be a huge source of information for you.
Below are the books you may refer for preparation :
PHYSICS :-
-H.C. Verma Concepts of Physics Vol I and II Recommended both as text books
-I.E. Irodov Problems in General Physics Recommended for selected problems
-Halliday, Resnick & Walker Fundamentals of Physics Reference Book
-Arihant Books
-NCERT Text books of class XI and XII
CHEMISTRY :-
-NCERT Chemistry XI & XII Basic Text Books
-P. Bahadur Physical Chemistry Recommended for Physical Chemistry
-Arihant Prakashan Organic Chemistry Recommended for Organic Chemistry
-O.P. Agarwal IIT Chemistry Recommended for Inorganic Chemistry and reference book
-J.D. Lee Concise Inorganic Chemistry Reference Book
MATHEMATICS :-
-R. S. Agarwal Maths XI & XII Basic Text Books
-S.L. Loni Plane Trigonometry Part I Recommended
-S.L. Loni Co-ordinate Geometry Recommended
-Vectors & 3-D Geometry Arihant Prakashan Recommended
4) You may even join coaching institute to work on your fundamentals. Some of the institutes offering coaching are :
-Brilliant Tutorials
-Aakash Institute
-Aspire Learning
-FIITJEE Institute
-RS Automation Technology
-Anugraham Classes
-AIMS Education
For more institutes, you may refer to the link mentioned below.
https://testprep.shiksha.com/engineering-entrance-exams-india-categorypage-14-48-1-0-0-1-1-2-0-none-1-0
While selecting the best institute, you need to check some of the important parameters such as batch size, faculty, fee etc.
5) When you get a grip over the basic syllabus, you may refer to mock tests / previous year’s question papers to analyze your preparation and performance before the final exam.
In a nutshell, the strategy for success must include early, continuous and serious preparation.
Hope it helps. Please feel free to revert.
Wish you luck.