Aeronautical Engineering

You can opt for mechanical engineering as it has good placements.

Aeronautical engineering is niche branch of engineering with good scope a d opportunities mostly in Government and Public Sector. With Make In India initiative of Government of India, job opportunities in private sectors are likely to increase.

Aeronautical engineering will basically introduce you to various domains in the aircraft industry. You'll be dealing with subjects like aerodynamics, propulsion, structures, manufacturing, designing, analysis, avionics and flight dynamics.

Few colleges in Maharashtra that have Aeronautical Engineering are:
Indian Institute of Technology- Bombay
GuruGram Institute of Aeronautical Engineering
Indian Institute for Aeronautical Engineering
Priyadarshini college of Engineering

You may evaluate private universities for doing BTech Aeronautical Engineering. Universities such as Manipal University, Amity university, Anna University are also good options for BTech Aeronautical Engineering. You may refer to following link for list of top Aeronautical Engineering colleges in In

Yes, you are looking for a right way. It is good to pursue maintenance engineering as the scope of the aircraft industry is enhanced during last years.

Mechanical engineering is best in B.Tech if you want to do aeronautical then you can go for mechanical for Bachelors and then aeronautical in Masters. You will have both the degree with two different courses.
All the best.

The JEE scores counted will be for current years exam. So, you have to appear again to crack the admission.

You are advised to appear for JEE Mains to qualify to appear for JEE Advanced to seek admission in aeronautical engineering at IITs. With JEE Mains & Advanced scores you can also seek admission in other prestigious engineering colleges such as IIST, PEC University which offer aeronautical engineerin

Follow the link for the same:
https://www.shiksha.com/b-tech/ranking/top-aeronautical-engineering-colleges-in-india/49-2-0-0-0