i hve nt done my grad. yet . i just passed my first year exams .. after that i filled the form so many time but not able to appear nw i wan

i passed my first year b.com from Du . after that i applied for second year so many time but not able to apear because of my job . i am 25 year ,,but now i want to pursue my graducation . may be my chance for apear in exams get overed or please advice what"s the alternate way to done my graduation