Why Shanghai Cooperation Organisation is relevant to the UPSC exam? What is the significance of topics such as carrying capacity of a tourist destination, Great Indian Bustard and Azerbaijan on both the preliminary and main exams? You can learn more by reading the Indian Express UPSC Key for October 28, 2026.

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30 min readHyderabadOct 28, 2026 08:14 PM IST First published on: Oct 28, 2026 at 08:14 PM IST