Lesson 2.2: Indian Geography – Rivers, Mountains, Plains, Resources
Indian Geography focuses on physical features, river systems, plains, mountains, and natural resources, which are important for UPSC General Studies.
Mountains:
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Himalayas: Northern boundary, young fold mountains, major peaks (Kangchenjunga, Nanda Devi).
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Aravalli Range: Oldest mountains, running through Rajasthan.
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Western & Eastern Ghats: Coastal ranges, biodiversity hotspots.
Rivers:
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Northern Rivers: Ganga, Yamuna, Brahmaputra – perennial rivers fed by snow and monsoon.
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Peninsular Rivers: Godavari, Krishna, Cauvery – seasonal rivers mainly rain-fed.
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River Systems: Indus, Ganga-Brahmaputra, Narmada-Tapti systems.
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Importance: Irrigation, hydroelectricity, drinking water, transportation.
Plains:
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Gangetic Plains: Fertile alluvial soil, agriculture hub.
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Coastal Plains: Eastern and Western Coastal Plains, rich in ports and fisheries.
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Deccan Plateau: Volcanic rocks, minerals, and sparse river networks.
Natural Resources:
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Minerals: Coal, iron, bauxite, mica, limestone distribution.
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Forests & Wildlife: Western Ghats, Sundarbans – biodiversity, national parks.
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Water Resources: Major dams, reservoirs, and irrigation projects.
Key Points for Revision:
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Major mountain ranges and rivers of India
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Plains and plateau features
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Distribution of minerals and forest resources
Example Question (Prelims Practice):
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“Which river is known as the ‘Sorrow of Bihar’ due to frequent floods?” → Kosi River
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“Where is the Sundarbans mangrove forest located?” → West Bengal
