Why does the interior of Deccan Plateau and Rajasthan remain dry?

1.	Why does the interior of Deccan Plateau and Rajasthan remain dry?
Answer» In Rajasthan, Aravallis lying parallel to S.W. monsoons fail to check these. So they do not give rainfall. Deccan plateau is situated in rain shadow of western ghats. In this area, the descending winds become dry and do not give rainfall.

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