University catagory is a visa category where students who have been accepted by any university in Canada can apply. I dont know where u are going to apply from, but from India you have to take 80% of loan for your first year of tution fees and living, unless the tution fees is already paid. And also unlike general category u go through medicals one week in advance (before filing your visa). This (University) category has a different check list. There are three categories from India for student visa to Canada.
SPP
Genral
University