Please Help me...........

So I hv 4 subs eng,gat,chem and maths.My Exam was on 12 may of maths & gat 2nd shift.And it really went bad like I only attempted 17 ques of maths,didn't know where that 1 hr flew away and 21 of gat.And Im so freaked out now because it will now affect my score too.My English and chem is strong like combined these two my 400 marks are not going anywhere.And also there will be some -ve marking too in maths nd gat,so if i scored like somewhere in range upto 500,Will I get bms in du????