Basically , DRM is a most priority task to every government and concerned authorities all over the world . However , you can go specific disaster what is affecting you and people of your region , you can study over that issue like Flood, Storm, Earthquake , tsunami and social vunerability etc
See how Malawi can apply pragmatically and practically the importance of placing climate change adaptation as a subset of disaster risk reduction and sustainability:
Kike Suraj suggested one can take a particular hazard and show the way a government tries to reduce the risk that such hazard turns into a disaster. Another topic could be to show paradigm changes over time: e.g. the change from Disaster Management, through Disaster Risk Management to Disaster Risk Reduction approaches.
We have conducted a survey on the integration of ICT in disaster management with some lights shed on the future research directions on the same with emerging technologies. You might be able to get some ideas for your work. You might want to have a look at this. Article Cloud Computing in natural hazard modeling systems: Current ...