All of the specializations have equally good opportunities. It depends on the candidate’s knowledge to get that Job. It also depends on the institute in which you are pursuing your MBA. But if still one has to make a generalization, the maximum number of opportunities in sales and marketing. In colleges which offer dual specialization in MBA most students do have marketing as one of the specialization as this is a safe bet. MBA finance, MBA marketing, MBA operations are the some various specializations. Hence I will suggest you to go to specialization you are interested in and success follow. You can also refer custom essay writing service online to get a best guidelines and suggestion.