Just to share, I just got this reply thru my MP in response to request getting file # and my wife contact details updated.
""Greetings from Islamabad,
Thank you for your e-mail below. This application is currently in process and is in queue for initial review. Currently applications created in November 2010 are in process for initial assessment. This application was received in June 2011 and would be processed for initial assessment in coming months.
Please advise applicant to submit signed written letter regarding contact/mailing address update.
Your representations in this case have been noted and will be taken into consideration when the application is reviewed.
Regards,
Immigration Section
Canadian High Commission
PO Box 1024, Islamabad, Pakistan"""