Aeronautical engineering is all about the science of aircraft, comprising the construction, research, development, testing, maintenance and design of military aircraft, civil aircraft, and missiles. It uses computer technology in every aspect of aircraft engineering, and is a field that also involves aerospace engineering (use of aerodynamics). 

Below are the some top colleges for Aeronautical Engineering

1- Indian Institute of Technology Bombay (IIT Bombay)

2- Indian Institute of Technology Kanpur (IIT Kanpur)

3- Indian Institute of Technology Kharagpur (IIT KGP)

4- Indian Institute of Technology Madras (IIT Madras)

5- PEC University of Technology

6- Bengal Engineering and Science University
7- Manipal Institute of Technology, Karnataka

8- Amrita Institute of Technology and Sciences - Tamil Nadu

9- Sathyabama University

10-Acharya Institute of Technology

To get admission in IIT's you have to qualify JEE Main and you have to appear for JEE Advanced. To get Top NITs you need to score more than 150 maks in JEE Main in other state quota and to get good college through MHT CET you need to score more than 150 marks in your exam.

To check the complete list of colleges you can refer below list

Aeronautical Engineering Colleges

Good Luck!!

The counselling procedure varies exam to exam. Please explain for which exam & programme you are asking accordingly I can help you about.

IIM's conduct CAT for their admission and selection process. Through CAT and in general other top management institutes are listed in the link below:

Faculty of Management Studies, University of Delhi, Delhi

Xavier School of Management, Jamshedpur

Department of Management Studies, Indian Institute of Technology, Delhi

Management Development Institute, Gurgaon

Department of Management Studies, Indian Institute of Technology, Madras

Top MBA colleges

You will get the complete list with the IIM's included and overall other management institutes as well.

Good Luck.