Aeronautical Engineering

The scope of aeronautical engineering is limited. You are not going to get many job opportunities as it is limited to the specific sector of an Industry. Whereas, mechanical is an evergreen branch, and has vast scope. It is a more conventional stream.

You are eligible to seek lateral entry admission in B.Tech in aeronautical engineering after Diploma in Mechanical engineering. You may consider Manipal Institute of Technology for the same.
For more details refer to the following link:
http://manipal.edu/mit/programs/program-list/btech/btech-lateral-entry.html

Aeronautical engineering is a very sophisticate branch of engineering with rapid change in technology and innovation. It will be difficult to succeed unless you specialise. Therefore, it is advised that you may seek admission in M.Tech by appearing for GATE to further your career prospects. .

Required educational qualifications and cut off percentage:
Pass in 10+2, A Level, IB, American 12th grade or equivalent with Physics, Mathematics and English as compulsory subjects along with Chemistry or Biotechnology or Biology or any technical vocational subjects as optional subjects with a minimum of 50% marks taken I Physics, Mathematics and any one of the optional subjects.
Entry procedure: Through Manipal University Online Entrance Test
Reguired score in Manipal University Online Entrance Test: 50% marks is required to qualify in the Entrance exam
Age limit: No minimum age

You can refer to the link mentioned below:
https://engineering.shiksha.com/be-btech-in-aeronautical-aerospace-engineering-courses-in-maharashtra-ctpg

Here are the top 5 colleges:
IIT Madras.
NIT Trichy.
Hindustan (Chennai).
Madras Institute of Technology.
PSG Colleges Of Technology (Coimbatore).

RWTH Aachen University, Dresden University of Technology, Technical University of Munich, University of Stuttgart are some of the well known universities for aerospace engineering.

Ruprecht-Karls-Universitt Heidelberg, Technische Universitt Mnchenand Ludwig Maximilian University of Munich, TU Berlin, Braunschweig University of Technology are Germany's top ranked universities for aeronautical engineering.

Check out the link for details :
https://www.shiksha.com/top-aeronautical-engineering-colleges-in-bangalore-rankingpage-49-0-0-278-0

Chennai has a good number of colleges where you can pursue aeronautical engineering.
Few of the colleges and universities are:(a) Satyabhama University
(b) Anna University
(c) Madras Institute of Technology
(d) PMR Institute of Technology (e) Hindustan Institute of Engineering and Technology.