Yea that's true, better to apply for Advanced or Post-Graduate Diploma. I had bachelors and I applied for the Post Secondary Diploma and got visa. It depends on your luck and how you convince the Visa Officer. But it's good to not to take risk! And go for advanced studies.
m sam.As I my proposed study is
Business Administration& its a diploma
, if I showed Btech, a grad as my major previous studies. u think high commission,ll reject me in bases of this engineering previous studies >what 2 do?should i hide grad i passed12 in 2005