There is no age limit if you want to study rather it depends on your capability to study. If you think you cannot study after your post-graduation then you are wrong. You have many options to proceed with and one of the most opted and widely accepted is doing PhD. You can try finding the different courses that you can precede or the area of specialization that you want. 

There is a huge popularity of MBA or Masters in Business Administration around us and that is why you may have seen lots of aspirants for the same. There are many colleges and universities that are offering this degree. You can get many career opportunities after completing your MBA from a reputed institution but for that, you need to work harder. The PhD after MBA is a great option and many career-related options will be available to you after that. Some of them are:

• Scope in teaching: You can pursue your career in the teaching field after that. Earlier you may get less opportunity from the reputed colleges or universities but after your PhD you will be preferred everywhere. So, to improve your hierarchy level in teaching jobs you can pursue the same. You can be a part of the reputed institution so that you can deliver your best to them. 
• Scope in research jobs: The next important things in which you will receive many options are research jobs. You will be able to pursue a research career after you complete your PhD. You will have the latest knowledge and skills that are required in research jobs because you have done your PhD. Along with having entrepreneurial knowledge in the field of business administration, you will be preferred in institutions, colleges, and in many research centers. 
• Be at consulting post: You can also pursue your career as a consultant as the reputed consultant firms only hire professionals and an educated team. You can even go for setting up your own firm related to consulting. Even the private companies have started hiring PhD professionals as their consultant and having the degree of MBA with it will be even more attractive. Every large-scale firm or company needs a consultant and you can be the one with your education. 
• To be specialized: After preceding with your PhD after MBA you will be specialized in a specific field. There is a need to be a master in one field so that you can begin your career in that field. You can have vast knowledge and experience in that field in which you are going to proceed with your PhD. So, this means you will be specialized in the field of MBA after completing your PhD after MBA in a specific field.

So, these are some of the career options available to you after you will complete your PhD. So, you can decide on the field in which you want to continue and be the expert in that field.