thanks anna,,
on Detroit website they have some mailing instructions,,read this and give me some suggestions ,,we r in western canada,,,
FOR RESIDENTS OF CANADA
* STANDARD PROCEDURE: The Consulate will return documents to addresses in Canada via U.S. Postal Service First Class Mail (Regular Mail). No tracking system available. Provide a self-addressed envelope. Please note that regular mail to Western and Eastern Canada can take up to three weeks for delivery.
* CANADA POST XPRESSPOST: If you prefer Canada Post Xpresspost , please enclose with your application a PRE-PAID Xpresspost envelope. Complete the mailing label on the return envelope showing the Windsor Post Office Box address in the "FROM" section of the mailing label (Canadian Consulate General/IMM, 401 Ouellette Avenue, P.O. Box 940 Station “A”, Windsor, ON N9A 6P2 CANADA. Make a note of the tracking number for each envelope. Please note: If you choose to select this service, your package will be sent from our P.O.Box in Windsor and will not originate in the USA..