Maharashtra

All full-time MBA courses do not necessarily run for 2 years, the smallest full-time program I am aware of is offered by INSEAD which is about 10 months long. A full-time course means, you are attending a classroom lecture based course, with a full-time on (near) campus stay and you are not employed in any other job at the same time.
Yes, NMIMS is a recognised institute in Mumbai.

Bringing of metro in Mumbai has made better coaching infrastructure for CAT preparations.

The Bombay Flying club is one of the oldest flying institutes and it is public owned institute so it's value is more than others. It is a good club among others.

Savitribai Phule Pune University, also known as PUMBA is a top college which accepts Maharashtra Common Entrance Test (MHCET). 95 percentile in MHT-CET would be a good score to be on the safer side.

The placement is common program for both the campuses. Infact, the academics also goes in the same way. The minimum package is Rs 4.5 lakh per annum which can be attained as per the records of placement batch 2016.

MAAC is the best institute. They offer many courses which are at par with students choice and industry standards.

Hello Shivansh,
I understand you are interested in pursuing Bachelor of Engineering in Computer Science from Mumbai. You can refer to the following link for more information:
https://goo.gl/hE5edS
I hope this answers your question. If you have any further questions, kindly revert.