The correct answer is A) Department of Revenue.
The Department of Revenue is the government department responsible for the maintenance of land records in Karnataka. It is also responsible for the collection of land revenue, the management of government land, and the settlement of land disputes.
The Department of Urban Development is responsible for the planning and development of urban areas in Karnataka. It is also responsible for the provision of urban services, such as water supply, sanitation, and transportation.
The Department of Rural Development is responsible for the planning and development of rural areas in Karnataka. It is also responsible for the provision of rural services, such as agriculture, irrigation, and education.
The Department of Home Affairs is responsible for the maintenance of law and order in Karnataka. It is also responsible for the management of prisons and the police force.