We have a similar experience, we'd need to wait for a few more days, maybe a week, as they have a backlog for OCI's.
The response:
Your OCI application has received at our BLS Postal Brampton Center xx-xx-2024. Please allow 4-5 business days for processing it to IHC/CGI. Please note that this does not indicate that your application has processed to Indian High commission or Consulate general of India. Please allow 4-5 business days for processing your application to Indian High commission or Consulate general of India. Once your application processed in our BLS center, you will be notified through email service with a unique BLS reference number. The unique number can be use for tracking purpose on BLS website.