You need 60% of total points (usually 45/75 in written) AND 60% in oral to pass. You cannot fail the whole exam just because your grammar is weak—communication is king.
You are looking for information on the "telc Deutsch B1" test, which is a German language proficiency test. Here are some key points: test b1 deutsch telc
This is conducted in pairs or small groups with two examiners. It has three tasks: You need 60% of total points (usually 45/75
Writing a formal or semi-formal letter/email based on a prompt. Socializing, discussing a topic, and joint planning. 15 min (with 20 min prep) 2. Passing Requirements Zertifikat Deutsch / telc Deutsch B1 discussing a topic