It completely depend on you that how you want to build your career,How is your Financial situation..

the best way is to do mba after BBA because At this age you can complete your study as much as you want..Your intellactual skills are at top at this age..but when you are doing job Your skills and your ability will consice according to your job profile..

if you want to do job then find a job in which you are interested this will help you to find out your interest and your skills..

Simultaneously you can prepare for government exams like Banking,ssc,railway etc..