The district administration, a district council, and the Okavango subdistrict council are responsible for local administration. The policies for the administration are framed by the Ministry of Local Government. The major activities of the district council are Tribal Administration, Remote Area Development and Local Governance. The executive powers of the council are vested in a commissioner appointed by the central government. The technical services wing of the Department of Local Government is responsible for developing roads and the infrastructure in villages such as water supply, schools and recreational facilities. All local administration staff, except the District Administration staff itself, are selected via centralised services of the North West District Council, with the Ministry of Local Government being responsible for their training, deployment and career development. The sub-districts of North-West/Ngamiland District are Ngamiland East (aka Ngamiland South, headquarters Maun), Ngamiland West (aka Ngamiland North) and Okavango, also called Ngamiland Delta, (headquarters Gumare).