Germany

You can visit the below mentioned site for admission requirements in Germany.
https://www.universities.com/where-to-study/europe/germany/how-apply-study-germany.

Most of the MBA courses in Germany has tuition fees. They are expensive too. Only technical education of Engineering is free of cost in Germany.

If you want MBA in healthcare management, the universities in Germany are-
SRH University Berlin
Frankfurt School of Finance and Management
Free University oh Berlin.

In which course you want to pursue your Bachelors in? However, you need to appear for SAT or ACT.
You also need to appear for IELTS and German proficiency test.

To study in Germany, you should have a very good academic score. You will have to appear for IELTS or TOEFL. Also, take the GRE exam. Most importantly will have to give the German language proficiency test.

Yes, you can try for MS in Germany but you have to qualify in such international exams like GRE, IELTS, GMAT, etc. but you should prefer for GATE to get admission in IITs or NITs, they have nice scope in your career. Hope it would be great.
Best of luck for your dreams.

Yes, you can do MS in information security or cybersecurity from Germany. Well in Germany there is no tuition fees so you only need to think about living expenses and others. First you need to give English Efficiency exams like IELTS or TOFLS and sometimes colleges also ask your German language skills so you need to give German language exam too.

For which course you are planning to study. To study in Germany, you should appear for IELTS /TOEFL and appear for German language proficiency. For master GRE is also required.

Hi,
If you are applying from India, check out the below link which I found some relevant information about visa requirement of Germany.
https://berlinsbi.com/international-student-guide/visa-and-immigration-information/india/.