Which physical feature acts as a barrier to the southwest monsoon winds, causing heavy rainfall on one side and dry conditions on the other?

Correct option is B

The correct answer is (b) Western Ghats
Explanation:
. Western Ghats lie parallel to the western coast.
. Southwest monsoon winds strike the Ghats first.
. Orographic rainfall occurs on the windward side.
. Leeward side experiences rain shadow effect.
. Eastern plateau receives less rainfall.
Information Booster:
. Western Ghats are a UNESCO World Heritage Site.
. They influence climate of Peninsular India.
Additional Knowledge:
Aravalli Range (Option a)
. Runs southwest–northeast.
. Does not block monsoon effectively.
Satpura Range (Option c)
. Lies in central India.
. Limited role in monsoon rainfall.
Vindhya Range (Option d)
. Separates northern and southern India.
. Not a major monsoon barrier.