want to decide what to be done after a long break.

hi all,
i have passed my m.sc in 2001. after that i have not done anything much except teaching.this year i joined allsec technologies
call center but quit b’cos of night shifts.i want to do some testing couse so that i can enter into s/w AS MY B.SC IS IN COMPUTER APPLICATIONS. I HAVE SEENSOME ADD OF STC TESTIND COURSE.IF SOME BOBY CAN GIVE ME ADVICE WHAT NEXT TO BE DONE….I WILL BE REALLY OBLIGED.