The correct answer is: A. Mandar Hill
Laterite soils are found on the highland areas of the plateau. In Jharkhand, it is found in Mandar Hill.
Laterite soils are a type of soil that is formed in tropical and subtropical regions. They are characterized by their high iron and aluminum content, and their low pH. Laterite soils are often used for agriculture, but they can also be used for other purposes, such as construction.
Mandar Hill is a hill located in the Ranchi district of Jharkhand, India. It is the highest point in the state, with an elevation of 1,350 meters (4,430 feet). Mandar Hill is a popular tourist destination, and is known for its scenic views and its temples.
The other options are incorrect because they are not highland areas of the plateau. Jhumri is a town located in the Hazaribagh district of Jharkhand, India. Rajmahal Hill is a hill range located in the Santhal Parganas district of Jharkhand, India. Koderma is a town located in the Koderma district of Jharkhand, India.