Disaster and disaster management

well for the said topic you can refer to yojna of march 2012 its quite relavent its link is

https://docs.google.com/file/d/0B_FR6Jkv0z2cWnd2ZDh4cmFFcXM/edit?usp=sharing

also you can go through with ignou booklets on disaster management.. for geography optional guys please go through complete booklets of disaster management certificate course ... here i am uploading the important booklets link is

https://drive.google.com/folderview?id=0B_FR6Jkv0z2cN2I1TmI1V0NRZEU&usp=sharing