Diploma and Bachelor degrees: IELTS 6.0/ 6.5 band with no band less than 5.5/ 6.0 Graduate Diploma and Post Graduate Diploma: 6.0/ 6.5 band Masters degrees: 6.5 band with no band less than 6.0
It varies for each institution. A good grade is very important to go to Canada. You can apply if you have higher second division and first division. Some universities ask for much higher grades, check specific entry requirement details before applying.