Hello Aspirant,

As your son has got 348 rank in AUEET, he has good chances to get CSE branch in Andhra University.  Keep in mind that get a seat will depend on varies factors such as number of students applied for the same branch, performance of the students, category of the students, home state, number of seats available etc.

According to previous year's cutoff  closing rank for CSE branch was somewhere in between 931.

To get more information about Andhra University, you can check out the below link:

Andhra University (AU) Visakhapatnam: Admission, Fees, Courses, Placements, Cutoff, Ranking (careers360.com)

Hope this will help you.

All the best.