Heidelberg University (Germany)

Yes, you are eligible, but you have to appear for an entrance exam, and your age should be 17 years.

If you don't have any problem while running then it's not an issue you are eligible only mark can't affect this but if you have any problem while running then it may affect you so I would suggest you that before this take a proper medical checkup and get a medical certificate from doctor and make sure your medical certificate is legal because any mistake can ruin your career so make sure that everything is proper.

Yes, you can as you have done both the courses.

Hello,
Being a commerce graduate, MBA in finance would be an ideal option for you. Visit this link for more details:
https://www.shiksha.com/mba/articles/top-5-mba-specializations-in-india-blogId-3223

B.Sc is not offered by Hislop College, Nagpur.
Courses offered by them are:
-B.Sc. in computer science
-B.Sc. in biotechnology
-B.Sc. in biochemistry
You tell me what course you want to do.

You should opt for MBA in human resources or marketing.

Yes, domicile certificate is required for taking admission in engineering or in any other field, it is a proof that the candidate is a resident of the following state. Therefore, you have to carry your domicile certificate for admission.

Yes, if you study PCB in a well-mannered way, it would become easy to qualify NEET exam.

Yes, of course, you need to focus mainly on NCERT books and along with that, you need to do constant practice of questions as practice is the key to qualify NEET. Also, along with it, go through the previous years question papers to get an insight into the NEET exam.