Hi,

According to their official site-> https://aaa.iiita.ac.in/

1. Admission : The Institute allows admission in all UG & dual degree program through CSAB & DASA , All M.Tech. and Integrated M.Tech. Ph.D. program through CCMT , MBA & Ph.D. Through Institute level Examination. After getting the admission through aforementioned process the students should report to this cell for completing other formalities, then Cell issuing registration number and keep record of all the admitted students.

please check thei site for more information.