The link below is for prospective Bachelor's student who wants to study in Germany

http://www.daad.de/deutschland/studienangebote/international-programmes/07535.en.html?iplevel=1&ipterm=&ipterm2=&ipterm3=&ipfield=0&ipsubject=0&iptypehei=0&iptownhei=&iphei=0&iplangdistribution=0&iplangtest=&iptuitionfees=0&ipjointdegree=&ipparttime=&ipfasttrack=&ipcombined=&studienbeginn=&ipduration=0&ipp=50

The link below is for prospective Master's student who wants to study in Germany
http://www.daad.de/deutschland/studienangebote/international-programmes/07535.en.html?iplevel=2&ipterm=&ipfield=&ipsubject=&iptypehei=&iptownhei=&iphei=&iplangdistribution=&iptuitionfees=&studienbeginn=&ipduration=&ipenter.x=139&ipenter.y=13


This last link could be used by any one of prospective bachelor's,masters,and phd applicants
http://www.daad.de/deutschland/studienangebote/international-programmes/07535.en.html

Goodluck with your applications. Please I do not have answers to your questions. Contact the school(s) for further enquiry. I am so right sure that you do not need the role of any agency to facilitate an admission.Its upto you. Please share amongst all including your enemy(ies), am just joking,