When its says INVALID Document, take a snap shot of that and send email with that screenshot. It should work.I emailed them and got this answer but still same its not working.
Dear Applicant,
Thank you for contacting the Canada Visa Application Centre (CVAC). This is an automated response to acknowledge your e-mail.
1. For customers who have filled in the Passport Submission Web form –
Please note the below instructions carefully:
•Clients who receive a passport submission letter need to fill the passport submission web form https://vfs-cic.mioot.com/forms/PS/
•After filling the web form applicant will get payment gateway in order to complete the payment process.
•Post successful payment, instantly AWB will be trigged on the registered email address
•Serviceability of PIN Codes are liable to change on a daily basis as per the authorized courier vendor. The serviceability will be applicable on the date of pick up/drop of documents. In the event there is a discrepancy our teams will proactively reach you for confirming an alternate pick-up location.
•Please note the courier pick up & drop location will be the same as updated in your passport submission web form.
We are open from Monday to Friday (excluding declared holidays)
Best Regards,
Call Center Team
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VFS Canada Visa Information Service Centre – India
also call them and ask about the activity of the complaint, what they are doing.