plz help me...i m in gr8 confusion.

my Final Xams are on...i m done with accounts n sfm...n both were fine..

i filled both d groups but i prepared just for d frst one due to lack of time...

should i sit in second group or not?

if i score low marks in 2nd grp wil it affect my frst grp too???

please please suggest...

i hv a fair idea about all subjects of scnd grp.