Hello Aspirant,

See JEE-Main is a national level and single largest engineering entrance examination and for it depending upon one book would not be the wise decision and same thing for EAMCET as well but yes if you want to practice only then you can get the mentioned book but along with that you should have some more standardized books which I have enlisted down :-

JEE-Mains

• @Physics

Concepts of Physics-H. C. Verma

Fundamentals of Physics-Halliday, Resnick and Walker

Problems in General Physics-I. E. Irodov

University Physics-Freedman and Young

Understanding JEE physics series-DC Pandey

Problem In Physics-SS Krotov

• @Mathematics

Higher Algebra-Hall and Knight

Coordinate Geometry-S.L. Loney

Differential and Integral Calculus-N. Piskunov

Calculus and Analytic Geometry-Thomas and Finney

IIT Mathematics for JEE Main & Advanced-M.L. Khanna

Course in Mathematics for IIT-JEE-Tata McGraw Hill publication

Problems Plus in IIT Mathematics-A Das Gupta

Trigonometry-S L Loney

• @Chemistry

Modern Approach to Chemical Calculations-RC Mukherjee

Organic Chemistry-Solomons and Fryhle

Concise Inorganic-J. D. Lee

Organic Chemistry-Morrison and Boyd

University Chemistry-Freedman and Young

Physical Chemistry-N Awasthi

Arihant's Practice Book Chemistry for JEE Main And Advanced-R.K Gupta

For complete details kindly check out the link given below :-

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

You can also check out the JEE-Main knockout package for preparation of JEE-Main 2021/2022 from the link given below :-

https://learn.careers360.com/knockout-jee-main-april/?product=27&icn=knockout-jee-main-2021-january&ici=

EAMCET

• @Mathematics

NCERT Mathematics textbook

Deepthi’s Series

EAMCET Mathematics (Andhra & Telangana) Chapterwise 25 Years’ Solutions and 5 Mock Tests by Arihant publications

GBTU: Mathematics with Mock Tests

• @Physics

NCERT Textbook

Concepts of Physics by HC Verma Volume 1

Concepts of Physics by HC Verma Volume 2

EAMCET Physics 26 Years Solutions & 5 Mock Tests by Arihant Publications

• @Chemistry

NCERT Textbook

IPE Textbook for Chemistry

Essential physical Chemistry by Ranjeet Shahi

EAMCET Chemistry Chapterwise 25 Years Solutions & 5 Mock Tests by Arihant Publications

Fundamentals of Inorganic Chemistry by Ananya Ganguly

I hope this information helps you.

Good Luck!!