Hi,
I have a similar situation. My husband is the primary applicant with 2 dependents: myself and our daughter. We received our CoPR and VISA and accidentally I tore my daughters COPR both copies. We contacted VFS bangalore and they are saying that we need to send all the 3 passports and the CoPR of all the 3 applicants.
According to them the consulate would affix a new VISA and new COPR for all the 3?
We contacted the VFS(http://vfsglobal.ca/Canada/) and they are ok to re-issue the COPR, but just need to send them everything again + the broken COPRs and almost double of the SERVICE fees that different from the first time. This process is like move your Visa to a new passport, but I don't think they will move the Visa in this case and they may just re-print the COPR only, so they charge like that much. Solved!