Chota Nagpur Plateau has the remains of an old fort belonging to the Nagavanshis. The Chhota Nagpur Plateau is a continental plateau—an extensive area of land thrust above the general land. The plateau has been formed by continental uplift from forces acting deep inside the earth. The Gondwana substrates attest to the plateau's ancient origin. It is part of the Deccan Plate, which broke free from the southern continent during the Cretaceous to embark on a 50-million-year journey that was violently interrupted by the northern Eurasian continent. The northeastern part of the Deccan Plateau, where this ecoregion sits, was the first area of
Barnim Plateau in Berlin, which expanded into the plateau. Barnim Plateau The Barnim Plateau is a plateau which is occupied by the northeastern parts of Berlin and the surrounding federal state of Brandenburg in Germany. The limits of the plateau are easily definable. The southern boundary is marked by the Berlin Valley, through which the River Spree flows. To the west, the boundary between Barnim and the Glien Plateau is marked by a north-south glacial valley. To the north and north east is the boundary with the Eberswald Valley, and in the east, Lubusz Land. Traditionally the plateau is divided into the