Correct option is C
The Correct Answer is: (c) Orographic rainfall
Explanation:
Orographic rainfall occurs when moist air masses from the Arabian Sea are forced to rise due to the presence of a mountain barrier the Western Ghats.
This process is particularly prominent during the Southwest Monsoon (June–September) in India.
The leeward side (rain shadow area) of the Ghats, such as parts of eastern Maharashtra and Karnataka, receives much less rainfall.
Information Booster:
Orographic rainfall is also known as relief rainfall.
This rainfall supports tropical evergreen forests in windward areas.
Tamil Nadu lies in the rain-shadow region of the Ghats.
Other examples include rainfall on the Shillong Plateau and Himalayas.
Additional Information:
Cyclonic rainfall – Associated with low-pressure systems or tropical cyclones.
Convectional rainfall – Caused by intense surface heating.
Frontal rainfall – Occurs when warm and cold air masses meet, more common in temperate zones.
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