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In a correspondence letter it says what to do in this case
 
Hi my study permit got approved in June it’s been over 2 months and I am yet to receive it in my mail
Did you also have to send in your passport to get the study permit visa or are you just waiting on the actual study permit to be mailed to you?
 
Hi
I did not recieve my study and work permit as its been more than six weeks since I got approval.
Connecting with ircc seems to be impossible