Considering present scenario, getting admit letter from German Universities for masters course is getting difficult, due to high competition. Indian Applicants with good academics, job experience, university rankers apply to these German universities.
Hence before thinking of masters, one should make sure that his/her profile is good: i.e - good gre (310+) , good academics/University rank, paper publication, projects, work experience of 2-3 years etc. Its obvious that those university will go for the best applicant, hence first make your profile good.
Nextly, select your field for masters properly according to the bachelor course that you studied. Many times it happens that the student is rejected because of insufficient course content of bachelor’s program. (Example- BE/B.Tech- Production engg student rarely gets admission for computational engg course, due to insufficient computer science course in bachelor degree)
Now coming to Magnus....
Considering above profile, you will surely get a good univ. Be in touch with the counselor. Share all your doubts-complaints with him. Make sure that he knows everything about you (Your Profile , your Future plans, your interest of field , Your choice of university , financial matters etc). So that he can give you the best suitable list of universities.
During the application, if you face any doubt, please approach the counselor, no matter how silly the doubt is, u should always take their help. call them, mail them...You pay them so that they can make the application process more smoother, hence Take optimal use of their service.