If you're applyig visa under SDS [Student Direct Stream], then you have to first full certain criterias
https://www.canada.ca/en/immigration-refugees-citizenship/services/study-canada/study-permit/student-direct-stream/eligibility.html
I am from India, and to apply under SDS [Student Direct Stream] I had to
1. Pay 1
YEAR tuition fees.
2. Get GIC of CAD 10,000. ( bank charges some fee so it's really CAD10150 or CAD10200 )
3. Have IELTS Score of no less than 6 in each band.
In case your Visa is rejected, the you can ask for refund form your college(fees), and from the Bank (GIC).
Conditions for refund, and the amount that is refunded may vary from college to college, and bank to bank, so you'll have to see their respective websites for details.
For humber college, you can check their refund polcy here:
https://international.humber.ca/study-at-humber/application-process/refund-information.html