UPSC IAS 2025: UPSC 2025 Annual Calender
Also See: UPSC IAS Mains QP's (2016-23) | Complete guide | UPSC CSE Sample Papers
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The main subjects for the UPSC Exam are Indian Politics, Indian Economy, International Relations, Science and Technology, Geography, History, Environment and Ecology, and related Current Affairs . There are 25 subjects and 23 literature optional that one can choose from in addition to this..
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