please help i got my visa refusal

[nickmalik]

 i got admission in humber college..for pg diploma in business management jan 2012 session.they refused my visa application because they think .
Your proposed studies are not reasonable in light of one or more of:your qualification,previous studies,employment,level of establishment,other educational opportunities available in India or Canada,language abilities ,or your future prospects and plans.

(I am a B.com) Student.If commerce Student is not Applied for business management  Then Who will applied)

and the document you have provided have not satisfied me for the relationship between yourself and your sponsor.(guarantor)

please help me .........