Dear student,

If you just cross the afcat exam at it's cut iff then you will have to appear for ssb interview in which your overall preparation is observed. If you perform exceptionally well in the interview then there are chances that you might be selected because, marks of a candidate matters and if you haven't scored well then it will be a drawback for you. In the interview, the panel would be impressed by somebody who has secured higher marks but don't lose hope, you still hace chances, just give your best at the interview.