- Most of the hills in the peninsular region are of the relict type (residual hills).
- They are the remnants of the hills and horsts formed many million years ago (horst: uplifted block; graben: subsided block).
- The plateaus of the Peninsular region are separated from one another by these hill ranges and various river valleys.
Aravalli Range
Vindhyan Range and Satpura Range
