Upvote:1
Reschedule the appointment by three weeks. That should solve the problem. In your case you haven't already paid. If you had already paid you would be able to ask for a refund.
Per VFS Global FAQ
What should I do if I cannot attend the visa application centre on the appointed date?
If you cannot attend the visa application centre on the appointed date, you would need to cancel your appointment and apply for a full refund. Please refer to terms and conditions and refund policy. Refunds are at the sole discretion of VFS Global and will be in line with the refund policy.