Hey,
Aerospace engineering is the primary field of engineering concerned with the development of Aircraft and spacecraft. It has two closely related branches like aeronautical engineering and aerospace engineering.
Here is the list of some of the colleges that offer BE/B.Tech in aerospace and aeronautical engineering in Tamil Nadu are:
1. Madras Institute of Technology
2.IIT Madras-Department of Aerospace Engineering
3.Karunya Institute of Information and technology
4.Nehru Institute of Technology
5.Hindustan Institute of Technology and Science
6.Hindusthan Institute of Technology
7.Bharath Universit
8.SASTRA University
Hope this helps.
Good luck.

Hey Aravind.

See for pusuing ur career in the aeronautical engineering u should be opting for the best colleges of the country as if is one of the most sophisticated branch in the engineering discipline. If u want to take admission in the TAMIL NADU state then u should be going for IIT MADRAS , ANNA University for ur fine career. If u want other good colleges h may apply for the RVCE BANGALORE , RAMIYAH etc through COMEDK for ur career.

Hope u got ur point. Ask if any query

Good luck