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Is that mean my visa is cancelled or what Ankit is that happen with you as well and plz tell me how sort out this
 
Please help!
I applied on April 2020 for September 2020 intake, and my acceptance letter will expire after 4 days.
Will this affect my application OR simply IRCC will request for it.
 
My case is similar to yours my medical is also not expired. What might be the reason of showing Counterfoil your documents is invalid?