Covaxin isn't accepted in Canada. Follow the steps here. I believe your mother will be able to enter assuming you are a PR or citizen, but may have to quarantine and get tested.
Yes she can enter. She just needs documents to prove that she’s related to you(PR card, passport etc) and she will have to quarantine for 14 days. She will be tested at the airport and will have to take a test on day 8 at home.
Covaxin isn't accepted in Canada. Follow the steps here. I believe your mother will be able to enter assuming you are a PR or citizen, but may have to quarantine and get tested.