northern plains are found above the flood plain of the rivers that descend from the mountains. | it is the oldest landmass of the godwana land |
It is made of older alluvium. The older depoists of the river is called Bhangar and the younger deposits are called Khadar. | It is made up of Igneous rocks and metamorphic rocks. |
Most fertile region in India | Contains large deposits of Minerals. |