Answer:
The
Great Peninsular Plateau is the oldest landmass of the Indian subcontinent. It
is divided into two parts:
1. The Central
Highlands
2. The Deccan
Plateau
1. The
Central Highlands
(i) These highlands
are made up of hard igneous and metamorphic rocks.
(ii) The old
Aravalli range borders it in the north-west.
(iii) The Central Highlands further
consist of the Malwa Plateau in the west and Chotanagpur region in the east.
(iv) The eastward extension of the
Malwa Plateau is known as Bundelkhand and Baghelkand in southern U.P. and
northern M.P.
(v) The Malwa Plateau is drained by
the southern tributaries of the Yamuna and the Ganga. Damodar river drains the
Chotanagpur plateau.
2. The Deccan
Plateau
(i) The Deccan
Plateau extends from river Narmada to the Southern tip of the Peninsular India.
(ii) It is one
of the oldest earth blocks and is made up of hard igneous and metamorphic
socks.
(iii) The
Satpura range -northern Mahadev Hills, Maikal range etc. form its northern edge
eastern.
(iv) The Western Ghats form its
Western edge which is much steeper and higher than the eastern one. The plateau
slopes gently towards the east.
(v) The Eastern
edge is marked by Eastern Ghats which are broken into small hills by rivers.
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