Question

give reason as to why part of Rajasthan Gujarat and the leeward side of the Western Ghats are brought prone

Answer 1

Part of Rajasthan, Gujarat and the leeward side of the Western Ghats are drought-prone as: 
(i) Western Rajasthan and part of Gujarat are desert type regions with extreme climate. Intense thermal heating makes the desert land very dry.
(ii) The Arabian Sea branch runs parallel to Aravallis, providing no barriers to the clouds, leaving it again a dry region.
(iii) The Bay of Bengal branch is unable to reach up to western part and in winters even western disturbances also hardly give any rains to this region.
(iv) The leeward side of the Western Ghats also lies in the rain shadow of S.W. monsoon.
(v) With the result, regions lying at the same latitude are unable to receive rains, if they are on the leeward side of the Western Ghats.