- Northern boundary
- Kachchh along the Western flank of Aravali Range near Delhi
- Parallel to Yamuna and Ganga until Rajmahal Hills
- Ganga delta
- North East
- Karbi anglong plateau
- Meghalaya plateau
- West
- Rajasthan
- Malda fault in Bengal separates North East form Chota Nagpur Plateau
- Ancient Gneiss and Granites
- Since Cambrian period it is standing still except Western coast subject submerged under sea
- Was a part of Indo Australian plate
- Rift valleys
- Mahanadi Narmada Tapi Satpura
- Relict and residual mountains
- Aravali Nalla Malla Javadi velikonda palkonda Mahendra Giri
- Most east flowing rivers form deltas before entering Bay of Bengal
- Mahanadi Krishna Kaveri Godavari
The Peninsular Plateau
- The oldest cratonic block
- Part of Gondwana
- Have features dating back to Archean times
- Plateau remained above sea-level since Pre-cambrian times
- Since then is eroded and denuded with low lying hills, hard resisting rocks
- Average elevation - 900m
- Peninsular Plateau is like Block Mountain and may be referred to as an uplifted horst
- Old cratonic block of Archaean times
- Formed by fusing numerous microcontinents
- 3 Main Proto-Continent collision - Aravali, Dharwad, Singbhum
- The Fusion is along Narmada--Godavari--Son lineament
- The remnants of the Proto-Continent - Relicts of fold mountains and shields like Aravali fold mountain with Mewar highlands
- E Rajasthan highlands
- Mahabharat plateau
- Madhya Bharat Pathar
According to Chatterjee PP can be divided into following Meso- Regions
- North Central Highlands
- South Central Highlands
- North Deccan
- South Deccan
- Eastern Ghats
- Western Ghats
- Eastern Plateau
- Coastal Plains
- Meghalaya-Mikir Uplands
North Central Highlands
- The Aravalli
- Eastern Rajasthan Uplands
- Mahabharat Plateau
- Madhya Bharat Pathar
- Bundelkhand