Science in Germany

Idea is good. But, you have study hard.

Hi
That depends on you. which course you are interested in and how you see yourself in the future job. Share your education background, what degree you wish to take etc. Applied science have variety of courses from architecture to environmental etc.
Take a look at the list here
https://www.hm.edu/en/c

Hi Nadeem,
The most important thing which you will need is high grades to be considered for admissions. GRE is optional and not even required by most Universities. International applicants must submit IELTS or TOEFL scores. Admissions are very selective and is mostly done on the basis of academic sco