IGNOU is also a good place, but you have to consider the tenure. If it's for 4 to 5 years, there are chances for you to drop it, but if it's short-term, you can finish it off. Working people will always face many hindrances, so make a choice based on tenure.
Choosing Topics in HR
With respect to topics, decide on the institution first, then you can choose any emerging topic in HR. We talk about the change agent, Gen X & Y, and many more.
There is a methodology for research that will be provided to you by your tutor/guide.