Mention that you were preparing for competition and unfortunately you didn’t pass. Then you decided to study in Canada.So you started doing ielts . When you got the required bands then you applied for it.
In SOP mention why are you going to Canada, what fascinates you to go and study in Canada, why are you leaning your country and after studies, you will come back to your country.
For funds, show ITR of your parents from last 2 years.