I can see below message against my petition.
What does it really means?
Revocation Notice Was Sent
On November 24, 2015, we revoked the approval of your case, Receipt Number EACXXXXXXXX, and mailed you a revocation notice. It explains the reasons for our action. Please follow the instructions in the notice and submit any requested materials. If you do not receive your revocation notice by December 8, 2015, please go to www.uscis.gov/e-request to request a copy of the notice. If you move, go to www.uscis.gov/addresschange to give us your new mailing address.