Colleges in Bangalore

No 3-month courses can give you complete knowledge on statistics and analytics anywhere in the world.
Its a huge subject and requires at least a year or two to get some knowledge (Way more for complete knowledge). Whereas, about the six sigma black belt training, ISI offers that but is of 6 months duration as of my knowledge.

Yes, you are eligible for aeronautical engineering. You will get lateral entry admission.

I cannot really say as which college is best among the two. The two colleges in question are almost equally ranked on most of the criteria, but I do have to say that Dayananda Sagar has a slight edge over RNSIT in terms of placements.

Eligibility is you need to have minimum 50% in graduation and you must have passed CAT, CMAT, XAT with a minimum of 70 percentile.
The fee structure is 3.7 to 4 lakhs per year.

Bangalore University is the best option. For details, check out the reviews below:
https://www.shiksha.com/university/Bangalore-university-3701/reviews
To know the exact scenario for faculty and placements get in touch with the current students through social media or in person.

Talking about the courses, the core courses of a B-School are Marketing, Finance and HR. Other than these, there are lots of specializations like Operations, Rural Management, Sustainability Management, etc. And talking about the subjects, it actually varies. But the main subjects will remain the same with extra subjects depending on your specialisation.

Hi,
B.Tech is a 4 years course in India.

For which course are you seeking admission?

I don't think any college in India offers that perk. You can try places that don't dally with their course though.