The role of the Central Government is based on keeping in view the following factors :
(i) The gravity of the disaster :
(ii) The scale of the relief operations.
(iii) The requirement's of central assistance far augmenting financial resources and logistics support at the disposal of the State Government.
The Ministry of Home Affairs is the nodal ministry at the centre for coordinating disaster management activities for all natural hazards except drought, which is taken care of by the Ministry of Agriculture under the Department of Agriculture and Cooperation.
Other ministries are assigned the responsibility of providing emergency support in case of disasters that fall within their preview.