Courses for better carrier after AMIE with experience in marine Engg field.

I am a Diploma Holder in Mech Engg with 11 years experience in Marine Engg field. i has also completed AMIE (Mech) recently. I want to continue my studies for better carrier. Suggest some courses for that. i am also thinking about MBA and ME/M tech also,which will have potential in 4-5 yrs.