well guys,
in my humble opinion subjects should remain the same. in my 1st attempt in 2003 i got just 600 mks+120 intrw. in 2nd attempt 2004 i got failed in essay , without essay 628.in final attempt 2005 i got 711+135 intrw.over all 21 position n topped n.w.f.p. In all attempts my subj remained the same.details of subj frm my profile. Best of luck