Physiography of India(Part - 2) - Geography, UPSC, IAS UPSC Notes | EduRev

Physiography of India (Part - 2)

Deccan Plateau has the following features:

• The Deccan Lava Plateau Region
• Telangana Plateau
• The Karnataka Plateau
  
  The Deccan Lava Plateau Region
• The northwestern part of Deccan Plateau is the region of basaltic lava. 
• It includes the Western Ghats north of 16⁰N latitude, plateau of Maharashtra (except the east of Nagpur) and the adjoining parts of Madhya Pradesh, Karnataka and Andhra Pradesh.
  Telangana Plateau
• Part of the Deccan Plateau comprises of the interior region of Andhra Pradesh.
• North of Krishna River is the plateau of Telangana.
• South of the Krishna River, lying in the Rayalseema plateau region.
  The Karnataka Plateau
• Situated to the south of Deccan Lava Region.
• Malnad and Maidan are two physiographic regions of Karnataka Plateau.

(i) Malnad 

• Hilly and dissected plateau region about 35 km wide lying close to the Western Ghats. The highest hills is the Bababudan group.

(ii) Maidan

• Situated in the eastern part of Malnad, relatively large rolling plains with low granitic hills.

Plateau

• It is an extension of main peninsular plateau
• It includes Meghalaya and karbi-Anglong plateau
• Meghalaya plateau is further sub-divided into Garo hill, khasi hill & Jaintia hills
• this plateau is highly eroded because it is high rainfall area

Coastal Plains

• This is a narrow belt and provides natural conditions for the development of the ports & the harbours.
• From Gujarat to Kerala they can be divided into kutch & Kathiawar coast, Konkan coast and Malabar coast

Coastal plains

On the basis of location, the plains can be divided into :

• The western coastal plains
• The eastern coastal plains

KATHIAWAR COAST

• Extends from Rann of Kutch to Daman in the south
  
  THE ISLANDS
  There are two major groups of the island in India
• Bay of Bengal group
• Arabian Sea group

Bay of Bengal

• This group consists of 572 islands
• The group is divided into Andaman in the north & Nicobar group in the south
• They are separated by “ten degree channel”
  Bay of Bengal islands
• These are believed to be the extension of Arakan Yoma mountain
• Barren island, the only active volcano is situated in the Nicobar island
• The Pamban Island, situated between India and Sri Lanka, has a rocky surface, is an extension of the peninsular surface in Ramnad district of Tamil Nadu.
  Arabian sea islands
• This group include the Lakshadweep and Minicoy islands
• There are approx. 36 islands
• These are built of coral deposits
  Arabian sea islands
• Minicoy is the largest island
• The group is divided by 11 degree channel, north of which is the Amini island and to the south is the Cannanore island