Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Department of Revenue and Land survey, is a key government department under Government of Kerala, that manages all government owned lands and decides land use policy in the state of Kerala. The department is also key government agency, to derive various taxes on land as well as lease amounts from various government lands which are principal sources of income for Government. In addition, the department manages land-use policy, survey of land areas and effective management and implementation of land reforms.