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
Chota Nagpur Plateau ecoregion, encompasses the plateau. The ecoregion has an area of , covering most of Jharkhand state and adjacent portions of Odisha, West Bengal, Bihar, Chhattisgarh, Uttar Pradesh, and Madhya Pradesh. The ecoregion is drier than surrounding ones, including the Eastern Highlands moist deciduous forests that covers the Eastern Ghats and Satpura Range to the south, and the Lower Gangetic Plains moist deciduous forests in the lowlands to the east and north. The plateau is covered with a variety of various habitats of which Sal forest is predominant. The plateau is home to the Palamau Tiger Reserve and other large blocks