https://indianexpress.com/article/jobs/change-in-the-upsc-exam-pattern-over-the-years-5102011/
Change in the UPSC exam pattern over the years | Jobs News - The Indian Express
Mar 18, 2018 - Till 2009, the UPSC prelims mainly focused on current affairs, history and geography. But from 2010 onwards, the focus shifted to science, polity, environment,...
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