hello ydinesh502,
Are you studying MBA now or working??
And answering to the question, it depends on what specialization you are doing/did in MBA.
According to the specialization,you can choose right path/further studies : may be a Phd or DBA or MS...
Make sure you have set a definate goals,as what will add your value to your career if you pursue this.
Regards,
vibhabapu