When my friend was recommended, he had 7 in his batch. Out of which 3 got medically out (unfit). So 4 were the finally recommended .All of them got merit in and were called to join Indian naval academy. In all 39 cadets from GD entry were called to join that term, not even 1 was merit out.So if you are applying for general duty, it's highly improbable that you get merit out.PS: owing to high demand of coast guard officers due to large number of induction of CG vessels