Hello Apsirant, 
For AP EAMCET you can refer to the J.P. Series or the CHaitanya's or Narayana's books. To score good marks do make sure that you go through previous year question papers as well to get to know about your potential and also the exam pattern. By solving Mock test papers you will improve and will perfom better in your attempts. 
Hope thisn answers your question well. Good Luck

Hello,

Here is the name of the best books for AP EAMCET;

1. EAMCET Test Papers (Engineering) by Vikram editorial board.

2. Handbook of Physics by Nipendra Bhatnagar

3. Handbook of Chemistry by R P Singh

4. Handbook of Mathematics by Amit Rastogi.

5. NCERT Solutions Class 12 – PCM (Set of 3 Books) by Disha Experts

6. EAMCET Mathematics, Physics and chemistry Andhra and 5 Mock Tests by Arihant Experts

Hope this will help you. Best of luck.