okay, I checked with them see below:
Me:
hi I have resgitered for Celpip on 9Feb2013 (reg. no: XXXXX87)
CELPIP Chat:
Okay great
Me:
Can you please tell me how many questions should be answered to get 4L in each category?
I mean answered correctly
CELPIP Chat:
I don't have that answer, only our markers know the cut scores for each level unfortunately. I would just advise you to do the best that you can on the exam
Me:
okay thanks...
so she/he is also telling what I said, try our best and we will get what we we deserve.. all the best