I send email to London office for confirmation of my file location. I am surprised to see that they replied within an hour and reply was very kind (at least I think.
....
Dear ******
Thank you for your inquiry.
I can confirm that your file has been received for onward processing.
I wish you to submit further documents in support to your application, you may send us at the following address:
Canadian High Commission
38 Grosvenor Street
London
W1k 4AA
I hope the above is of assistance to you. Please don't hesitate if you have any other question.
Thank you and kind regards,
...
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KAMAL HO GYA