Question

which is the oldest land mass of India? name its two broad divisions and explain any three features of each.

Answer 1

oldest landmass of india is the plateau region (deccan plateau)
its 2 broad divisions are :- 1) central highlands and 2) Deccan plateau
central highlands:-
they stretch from North West with the aravalis further merging woth sandy and rocky desert of Rajasthan
they are wider in the west but narrower in the east
the eastward extension of this plateau is called Bundelkhand and baghelkhand . the chota Nagpur plateau is the eastern most part of this plateau drained by river damodar
DECCAN PLATEAU
the deccan plateau is a triangular landmass that lies to the south of river Narmada
it is higher in the West and slopes gently eastwards
three prominent hill ranges from west to east are the garo, khasi, and jaintia hills
hope this helps

Answer 2

ANSWER
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Peninsular Plateau is the oldest land mass of India. Peninsular Plateau can be divided into two regions :
1. The Deccan Plateau
2. The Central Highlands

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Now let's discuss about them in detail.

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1. The Deccan Plateau

→ It is a triangular landmass.

→ It lies to the south of river Narmada.

→ It is a little higher on west than east. 
[ it is a slope from west to east ]

→ The Western Ghats and the Eastern ghats form the western and eastern edges.

→ Anai Mudi Hills is the highest peak in the Western Ghats.

→ Mahendragiri is the highest peak in the Eastern Ghats.

→ The Deccan Plateau hosts two majestic waterfalls -- the Sivasamudram Falls and the Hogenakkal Falls.

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2. The central Highlands 

→ It lies north of the river Narmada.

→ It covers states like Rajasthan, Gujarat and Madhya Pradesh.

→ The river that flows through this are the Chambal, the Ken, the Betwa and the Sind.

→ The Central Highlands are wider in East and narrower in West.

→ The eastward extension is known as Baghdkhand and Bundekhand.

→ The eastward extension consists of Chotanagpur Plateau and also some part of Malwa Plateau.

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#hope this helps u ...
#Thnx...