B.Sc

Since, you have tagged science, so you must choose B.Sc as it is a good option.

It depends on your interest and passion. Any of the two streams can make you successful if you possess any specific career goal. B.Sc is a degree course after which you can pursue M.Sc followed by Ph.D. Engineering is a professional degree course which will help you to get a job a bit quickly as compared to B.Sc. You can also pursue higher studies after B.Tech. So try to frame your own career goal and act accordingly. There is nothing called best or worst. All that you need is your passion and commitment. All the best. Thank you.

Data scientists are in a high demand now a days, so go for statics.

B.Sc nursing is good. If you have patience, then you can go for B.Sc nursing.

Vasan Institute - Bangalore is good because it has all good facilities. Ahmedabad is also a good university but Bangalore University will be good for you.

I am confident that you will find good colleges in your neighborhood. You will surely put up excellent performance, if you are determined from the beginning.

Yes, you can do. You can pursue MBA in biotechnology. There are many universities like:
1. Amity Institute of Biotechnology.
2. Bharathi Vidyapeeth University.
3. Global Business School and Research Centre, etc.