Distribution of key natural resources across the world (including South Asia and the Indian sub-continent); factors responsible for the location of primary, secondary, and tertiary sector industries in various parts of the world (including India) Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., geographical features and their location- changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes- Download UPSC Mains Materials

Source – All Geography NCERTs from class 6th to 12th
Notes Link – https://drive.google.com/open?id=0Bzt0O_hwpxJydEhXWnZBZGFVaGs

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