Bangalore

Yes, Don Bosco Institute of Technology Bengaluru is best for Civil Engineering. They provides 100% placements to Engineering students. The campus and faculty is also good.

It totally depends on you and your choice of course and your interest in a particular field. If you are into coding and developing, DA is the choice to go because the coding culture is raved at DA. I do not know about the other colleges but I do know as a matter of fact that the course options that

The campus is very good. The facilities are awesome in the Campus. The placement opportunities are also very good. They have a very good teaching faculty members who can guide you to success. Infosys, TCS, Accenture are some of the companies which recruiters from the same campus.

PGDM is specifically focused on particular aspect/specializations, you choose from 1st semester itself. PGDM is actually a Diploma in particular specialization.
And, MBA is a Master’s degree.

AIIMS School of Business is the best college, which offer average package of INR 8 Lacs. You can get admission there. Good luck.

Yes, the process for admission is going on. If you want to take admission, you can do that. St. Joseph's College is good for B.Sc. They provide the best education. You will learn so many things there. It will help you with shaping your career.