Hii

AAAA+ means Outstanding. This is basically a ranking which is given to different colleges based on many factors like thier faculty, infrastructure, placement etc.

The highest ranking scale is- AAAAA means Exceptional given to colleges like IIM, IIT.

Following are the colleges who as recieved AAAA+ Ranking-

Birla Institute of Technology and Science, Pilani

Amrita School of Engineering, Coimbatore

Birla Institute of Technology, Mesra

All the best.