Dear Mr. Fahad,
Please find appended the email I received for your perusal;
Dear Applicant,
In order to continue processing your application, we require the additional documents stated below by email.
Right of Permanent Residence (RPRF) payment: You may pay online as an HPM payment, please see directives on how to pay online here: http://www.cic.gc.ca/english/information/fees/result.asp?lob=proc&cat=perm
* Please complete and return the attached updated information chart,
* Passport copies ( bio page only ) for you and family.
We look forward to hearing from you within 30 days.
Sincerely,
VCM
So as you can see that there is no reference written pertaining to the delivery either via email or courier, your suggestion please.
Regards
Abid Saeed