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
Central Siberian Plateau Central Siberian Plateau The Central Siberian Plateau () is made up of sharply jagged demarcated surfaces of varying altitudes occupying most of Siberia between the Yenisei and Lena rivers. It extends over an area of 3.5 million km². The highest point is the Putoran Mountains, rising to . To the north of the plateau are the Putoran Mountains while to the south are the Eastern Sayan and the Baikal Mountains. To the east the plateau gives way to the low-lying land of the Yakuts. The Central Siberian Plateau covers one-third of Siberia. The climate is continental with short warm summers