Why is peninsular plateau is one of the oldest and most stable landmas

1.	Why is peninsular plateau is one of the oldest and most stable landmass of India
Answer» The oldest landmass ,the peninsular part was the part of the Gondwana land.The Gondwana land included India,Australia,South Africa,South America and Antarctica as one single landmass.The convectional currentssplit the crust into a number of pieces,thus leading to the drifting of the Indo-Australian plateafter being seperated fromthe Gondwana land,towards north.

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