When applying for a programme in German language, you have to pass a respective German language exam.
As a rule, one of the following test certificates has to be submitted when applying for admission: Level C2 of the Joint European Framework of Reference for Languages TestDaF Level 4 or 5 "Deutsches Sprachdiplom" Level II (DSD2).
But even if you plan to study in English language, it is highly advisable to learn enough German to be able to communicate with people (e.g. up to level B2).
In Pakistan, German language courses are offered by
- Goethe Institute Karachi
- Annemarie Schimmel Haus Lahore
- National University of Modern Language (NUML) Islamabad
and several other providers.
Improving your German
If you already have attained a level of German, you can find more information on improving your German language skills at daad.de.