Ajeenkya DY Patil University is a private university and offers BTech in Aerospace Engineering, but it is not very well known for this branch. The placements and internships for aerospace are not that strong here. Most companies that visit are for general branches like CSE or Mechanical, and core aerospace opportunities are limited.
If you are serious about aerospace, it is better to go for institutes like MIT-WPU Pune , COEP Technological University Pune , or Vishwakarma Institute of Technology (VIT Pune), which have better reputation, faculty, and chances for internships and placements in core fields.
So, Ajeenkya DY Patil can be your backup option, but not the first choice.
Hope it helps !