Waiting for golden mail (PPR)

Hi I received my ITA in starting of july19 and submitted all documents on 30 july…thereafter completed biometrics on 23 Aug. Still waiting for (golden mail) PPR. Can any one suggest how much more time it’s gonna take …it’s been already near to 5 months. Deadline is 30thJanuary but I was expecting to receive mail somewhere in December. Kindly suggest