Pune

You need to have passed 10+2 from a recognised university. Yes, hostel facility is available in the college.

You will get it cleared by fourth or after the payment due or the session starts as people withdraw within 1 or 2 months of session starting.

Your score is very good in MHF CET and also you have scored very well in HSC. So, with this score, you will get a good college in Pune, do not to worry about that.
All the best.

There may be private colleges that can offer you this service but no other colleges, like government-aided colleges, can provide you this service.

I think it's better to continue in SRM. SRM is among the top universities in India in which you can enrich your professional skills and increase your skills in cultural as well as communication skills. It is well known for both knowledge and research-based education which helps a lot in placement or

In aviation, AME has good career options. Engineers have got good scope in aviation. Flight Engineers travel on flights, they not only work on aircrafts on ground but also work in-flight.

AIRCRAFT MAINTENANCE ENGINEERING (APPROVED BY DIRECTOR GENERAL OF CIVIL AVIATION GOVERNMENT OF INDIA Eligibility: Candidate shall have passed minimum 10+2 with Physics, Chemistry & Mathematics from recognized Board
B.Tech in AEROSPACE ENGINEERING Eligibility: Candidate shall have passed minimum 10+2

You can check the NIRF - MHRD 2018 ranking of engineering colleges of india at
https://www.nirfindia.org/2018/EngineeringRanking.html
BEST OF LUCK!