answers: Narmada River
context: Vindhya Range The Vindhya Range (also known as Vindhyachal) () is a complex, discontinuous chain of mountain ridges, hill ranges, highlands and plateau escarpments in west-central India. Technically, the Vindhyas do not form a single mountain range in the geological sense. The exact extent of the Vindhyas is loosely defined, and historically, the term covered a number of distinct hill systems in central India, including the one that is now known as the Satpura Range. Today, the term principally refers to the escarpment that runs north of and roughly parallel to the Narmada River in Madhya Pradesh, and its hilly </s> Birds of the Central Indian Highlands The Central Highlands of India are a biogeographic region in India formed by the disjunct ranges of the Satpura and Vindhya Hills. It is given the term 6A within the Deccan zone in the Rodgers and Panwar (1988) classification. The zone adjoins 6D, the Central Plateau and 4B, the Gujarat Rajputana and extends across the states of Maharashtra, Madhya Pradesh and Chhattisgarh. The total area is approximately 250,000 km and there are 27 Protected Areas (20 Wildlife Sanctuaries and 7 National Parks) covering 4.9% of the area. There are also six Project Tiger Reserves </s> contact with Eurasia. The Chhota Nagpur Plateau consists of three steps. The highest step is in the western part of the plateau, where "pats", as a plateau is locally called, are above sea level. The highest point is . The next part contains larger portions of the old Ranchi and Hazaribagh districts and some parts of old Palamu district, before these were broken up into smaller administrative units. The general height is . The topography in undulating with prominent gneissic hills, often dome-like in outline. The lowest step of the plateau is at an average level of around . It
question: river in the south which rises in the highlands of chattisgarh