The correct answer is: b) Special Relief Commissioner’s Office.
The Special Relief Commissioner’s Office (SRCO) is the nodal agency for disaster management in Odisha. It is responsible for coordinating all disaster management activities in the state, including preparedness, response, and recovery. The SRCO also provides technical assistance and training to other government departments and agencies involved in disaster management.
The Home Department is responsible for law and order and internal security. It is not directly involved in disaster management, but it does provide support to the SRCO in the event of a disaster.
The Revenue Department is responsible for land revenue and land records. It is not directly involved in disaster management, but it does provide support to the SRCO in the event of a disaster by providing information on land ownership and land use.
Civil Defense is a voluntary organization that provides assistance to the government in the event of a disaster. It is not directly involved in disaster management, but it does provide support to the SRCO in the event of a disaster by providing manpower and equipment.
The SRCO is the most important department for disaster management in Odisha because it is responsible for coordinating all disaster management activities in the state. The other departments provide support to the SRCO, but the SRCO is the lead agency for disaster management in Odisha.