Isro successfully completed the first de-orbiting manoeuvre at 8.50 am Tuesday, using for the first time, the propulsion systems on Vikram. All these days all operations were carried out by systems on the orbiter, from which Vikram, carrying Pragyan (rover) inside it, separated from on Monday.

from Times of India https://timesofindia.indiatimes.com/india/chandrayaan-2-vikrams-height-reduced-gets-closer-to-landing/articleshow/70954645.cms