Hello Ravi

Congatulations on scoring the excellent rank it is advisable to you to use the college predictor which will help you look for colleges easily for your son it will tell all the colleges according to his rank i will also attach links for list of colleges that accept jee in AP check them out there you will get all the information regarding every college and even cutoffs of all the branch so you won't have to look elsewhere

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-andhra-pradesh-accepting-jee-main

https://engineering.careers360.com/colleges/ranking/top-engineering-colleges-in-andhra-pradesh-accepting-jee-main-score

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answ

hope this helps you