Ah I see. Now that put things into context. With a diploma, you will be going into Public Sector as a Div 2 officer. Since you're from biz background, the most obvious choice would be HR.

In general, life of a Div 2 officer in public sector tend to be better than Div 1 (graduates) - more work life balance. Good for those who are thinking of pursuing part time degrees. Pay wise should be around the same as private, with annual increments. Salary package definitely not as good as Div 1 officers (graduates), and career development wise will also stagnant in time to come.

Bear in mind that those who are ambitious should go to the private for a better chance to shine. Public sector will limit your career progression should you have no degree. Private may also not consider your experience in public sector to be relevant, should you want to jump out in the future. In terms of experience, I would say you could learn more from the private. But if you have the heart to serve people, do join the public then.