Use a PDF editor (like Xodo or Adobe Acrobat) to highlight important definitions in yellow. Write short notes (सारांश) in the margins. Mark features that are frequently asked in Prelims (e.g., "Barkhan," "Pingo," "Stalactite").
However, beware of malwares and viruses commonly attached to free PDF download sites promising "Direct Link." These often harm your device. physical geography by savindra singh pdf in hindi
The PDF allows you to zoom into diagrams. Trace them digitally or copy them into your notebook. Label them in Hindi (e.g., अपरदन चक्र, जलवायु आरेख). UPSC Mains rewards to-scale, neat diagrams. Use a PDF editor (like Xodo or Adobe
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