I am international student in Canada and for my spouse , I will apply for open work permit and for my 7 yrs old daughter - what visa category would be apt ? Any advise pls
Since it appears that you are going to be studying longer than 6 months, you can do two things:
Have your daughter come over on visitor/Temporary resident visa. Once she is in Canada, she doesn’t need a study permit to study as a minor.
Apply for Study Permit for your daughter as well with your approved study permit, even before she has come to Canada.
The second method is smoother and frictionless.
Visit this link for more details on studying in Canada as a minor.