First check following website about urgent travel document application:
https://www.canada.ca/en/immigratio...navirus-covid19/passport.html#travel-document
Then:
Get urgent refugee travel document or certificate of identity services
Fill out the IRCC
Web form:
- select the category for a certificate of identity or a refugee travel document
- include your travel date
- include the reason you need urgent services
Do not forget to include the explenation letter from your mother's doctor. And try to explain your reason to be with your mother clearly.
After 3 to 5 business day IRCC will contact you if they deem your situation is urgent and refer your case to urgent travel document application department. Someone from travel document department will be contacting you about your application and will ask to mail the application package. From there it is all regular RTD application process.
It may take more then a week to process your RTD application and another week to receive your RTD.