Mumbai

Below General Cut-off, it is always difficult to get admission in good reputed college, if it has no quota system.

IIA Mumbai is at present not available. But, try contacting the academy through the contact number provided in their website.
http://www.iiagroup.co.in.

In Mumbai, you can apply for M.Sc. In Chemistry in following colleges:-
1) ICT (Indian Chemical Technology)
2) NMIST ( Narsee Munji Institute Of Science and Technology ).

You should try for NMIMS or Amity Distance Learning University for your MBA programme. If you do your programme from these two UGC approved universities then you can get a good job in Mumbai. In distance learning, universities do not give any surety of placement but they support. NMIMS and Amity both are big brands in distance learning so doing an MBA programme from there is very good.

If you not given JEE Mains, you can give MH-CET (For Maharashtra State) exam to get an admission in B.Tech in Mumbai or all Maharashtra.

Hi,
You may secure admission in Goa college of Architecture but difficult in Sir JJ College of Architecture with 132/200 marks in NATA exam and 85% in 12th.

Hi,
With 84/200 marks in NATA and 70% in 12th, you will get a lot of private colleges seats for admission into Architecture course in Mumbai. Some of the colleges maybe L. S. Raheja School of Architecture, D. Y. Patil College of Engineering & Technology, Siddant College of Architecture, Dr Manoj A Shete College of Architecture, Dayanand College of Architecture, Solapur Education Society College of Architecture, Vivekanand Education Society College of Architecture, Indira College of Architecture and Design etc.

Each university has it's own advantages and here you are talking about varied locations as well, so I would suggest first shortlist a particular Location and then look for options within that city. Just to answer your question, IILM greater Noida is definitely a good choice out of the other options mentioned above.

Yes, there are many colleges in Mumbai who takes admission directly through class 12th marks. You can get admission in private colleges.

Yes, you can get. Aerospace engineering colleges have minimum eligibility of 50 % only in class 12th exam. So, search on google for best aerospace colleges in Mumbai that is either government or private.