Salam Aseman.
Or maybe you've heard about this:
****://***.bbw-gruppe.de/bildungsangebote/kurse-migranten.html
It's called "Bildungswerk der Wirtschaft in Berlin und Brandenburg."
This place offers basic German Courses, Intergration Courses and job-related German Courses in Berlin and Brandeburg.
Contact Persons are:
Frau Heike Zilm
030 540007-52
Allee der Kosmonauten 33b
12681 Berlin
Frau Susen-Arian Aßmann
0331 2001824
Schlaatzweg 1
14473 Potsdam
Frau
Evelyn Wunsch
030/31005-278
Am Schillertheater 4
10625 Berlin
Advice can be given in German, English and also in Russian, Polish, Romanian, Bulgarian, Turkish and Arabic.