I had originally submitted my application to Buffalo in Jun 2011, later when I received acknowledgement of receipt in Oct 2011 via email they also informed me that my file is being tranferred to CPP Ottawa.
Here is the status of my application as per ECAS:
We received your application for permanent residence on June 17, 2011.
We started processing your application on October 11, 2011.
Medical results have been received
Timeline as per my records:
Applied for PNP :Jan 2011
Received PNP : Mar 2011
Applied for PR : Jun 2011
AOR : Oct 2011
Medicals done (partial : Oct 2011
Medicals completed (full): Apr 2012
Medical results received ECAS: May 2012
Awaiting further response now..