I would like to thank everyone on this forum for the help you extended us.

Today, my wife got her citizenship invitation by monday she will book for the ceremony.

How quick?
3Nov - submit the application by NCS

8Nov (date on the letter from ukba) - confirmation letter that they received the payment and application received by us 15 Nov

19Nov (date on the letter) - Citizenship invitation letter received today 27 Nov

Once again, Thank you people