Thats ok please read the letter carefully its also says how you can submitHello Everyone,
IRCC has requested an email to submit Aadhaar Card and Voter ID card for my parents, I am ready with the documents but on my CIC account there is no message about these documents and I am not able to upload the requested documents.
Please advise hoe do I respond to CIC
Either webform them or email them
I emailed them on this email--
IRCC.CPCMParentsandGrandparents-ParentsetgrandsparentsCTDM.IRCC@cic.gc.ca
So look for this kind of email stated in letter