The Malwa Plateau lies to the north of the Narmada River, and this region is also known as the Central Highlands.
Central Highlands: The part of the Peninsular plateau lying to the north of the Narmada river, covering a major area of the Malwa plateau, is known as the Central Highlands.
The Deccan Plateau: It is a triangular landmass that lies to the south of the river Narmada.