Interested to do Master from Germany

Hi All,

I am looking for Master from public university. Can anyone suggest the best public universities with IELTS score 7 (without GRE). I am science graduate (B.Sc), few years later I have done PG in Business management.

Now I am 35 years old and I have 10  years of experience in operations.

As per my experience please suggest which course should I select. As per my research I am selecting below courses but I am not sure are these courses will help me to get job easily in Germany.
- Business Management
- Product management
- Project management
- MBA
- Business Administration

Thanks.