what are the major physiographic divisions of india?contrast the relief of the himalayanregion with that of the peninsular plateau.

The landmass of India can be divided into following major physiographic divisions:

1. The Himalayan Mountains

2. The Northern Plains

3. The Peninsular Plateau

4. The Indian Desert

5. The Coastal Plains

6. The Islands

The Himalayas are the youngest mountains in the world and are; structurally; the folded mountains. The Himalayas run along the northern border of India. The Himalayas form an arc which is about 2,400 km long. The width varies from 400 km in Kashmir to 150 km in Arunachal Pradesh. The altitudinal variations are greater in the eastern part than in the western part. There are three parallel ranges in its longitudinal extent.

The Peninsular Plateau

The peninsular plateau is a tableland. It is composed of the oldest rocks because it was formed from the drifted part of the Gondwana land. Broad and shallow valleys and rounded hills are the characteristic features of this plateau.

The plateau can be broadly divided into two regions, viz. the Central Highlands and the Deccan Plateau.