i had got 44% in TY 2009 & want to appear again in march 2012.which course will i have to study,new or old.

i appeared for tybcom in march 2009 & had failed in economics.i cleared in oct 2010.I got 44% in ty and i want to appear again as i want to study further & minimum 50% is required to take admission for MBA.I want to know if i appear fo ty in march 2012 which syllabus will i have to study old or new