ANYBODY GOT VISA FOR MAY 2013INTAKE UNDER SPP....? (ON BUSINESS SIDE)

[ECE STUDENT]

My graduation background is Btech (ECE).......
But i got addmisson in LAMBTON college (POST GRADUATE BUSINESS MANAGEMENT).... and i dropped visa for this only.
Am i get visa...? is der any chance of refusal....?
I dropped my visa on 4th march 2013..
reply me i'm getting more tense......

my academics:
10th..: 83%
12th...:93%
btech..:70%
ielts... 6.5(L:7.5, R:6, W:5.5, S:6)