B.Tech in Bangalore

Please check the given link:-
https://www.shiksha.com/b-tech/ranking/top-engineering-colleges-in-Bangalore/44-2-0-278-0.

It will be approximately INR 6 Lacs for the academics and INR 1 Lacs per year for the hostel.

Yes presidency University is good for Engineering, You can go for it if other options are not available in other good colleges.

You can do M.Sc. Mathematics after completing BE.

Hello Taleem,
I'm attaching a link that will give you all the required information.
https://www.shiksha.com/b-tech/ranking/top-engineering-colleges-in-bangalore/44-2-0-278-0

Hello,
In dairy science colleges, admission is based on
entrance exams like JEE Mains, and state-level entrance exams. The eligibility criteria is that you must pass your 10+2 with science stream with an aggregate of 55% and more.
other details are available on official website.
thanks for connecting with us

VIT, Vellore is better than Amrita, Bangalore as in VIT there is tie-ups with many companies and also some companies have their research incubators where students go for the workshops regularly.

Well, it depends upon the college. Go through the guidelines. Every Indian student is welcomed in Karnataka colleges. Please upvote.

MSRIT
RV College of Engineering
PESIT
BMS College of Engineering
BMSIT
Bangalore Institute of Technology.