1. Translation:

Literal translation: Some departments have been informed to stop or reduce the funds provided to students who start their four-year postgraduate study.

It has been learned that some departments should stop or reduce the funds provided to students who start their four-year postgraduate study.

2. Correction: Have been known in the original sentence should be changed to have been known

3. Language point

* know sb. to do sth. Know that someone is doing something, Change the passive voice to be know to do sth.

* funding for students to provide funds for students, the preposition for means "for"

* start with, start with ..., and the phrase starting with ... is used as the postattribute of students

* graduate study.