IGNOU - Indira Gandhi National Open University

If you have completed a 2-year diploma course in Advanced Nursing and Critical Care Medicine, you may be eligible to apply for a Ph.D. in Public Health or Government Policies Law, depending on the specific program requirements. However, admission requirements vary from program to program, and it is best to check with the specific universities and programs you are interested in to determine their specific requirements.
Additionally, as someone working in the military, you may also want to explore opportunities for funding and support for advanced education through military education benefits and programs. Your military branch's education office or your supervisor may be able to provide you with more information on these resources.
Overall, pursuing a Ph.D. can be a significant investment of time and resources, but it can also open up exciting new career opportunities and enable you to make a real impact in your field. It is important to carefully consider your goals and options and to speak with advisors and mentors to help guide your decision-making process.