To study in Canada you need the follow :
1. An acceptance letter from the School / College of your choice.
2. Proof that you have sufficient funds for the studies & your stay in Canada.
3. Overall 6 bands and no band less than 6 in each ielts module are required for diploma & overall 6.5 bands overall and no band less than 6.0 under the new rules.
4. To satisfy the Visa Officer that you will return to home country after completing your studies.
5. To clear Medical Examination.
6. IELTS or TOEFL scores.