Hey Gayam,
To became an MRO you should write group 2 exams and score well . To become an MRO you should clear Andhra Pradesh Public Serivce Commissions group 2 exams . You can purse graduate degree of any course , that's up to you .
I hope this helps you!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile