Hello,

CBSE compartment examination date is 22nd September 2021 to 30th September 2021 tentative. Admit card will receive 2 weeks before examination.  But the will be change also if any covid situation occur. But it's a normal date till now. I'll provide you a link you can check it. There give all details about compartment examination.

https://news.careers360.com/board-exam-2021-class-10-12-date-sheet-live-updates

All the best.