UPSC Previous Years Papers The significance of the UPSC Previous Year Questions is beyond measure. The only two true sources of preparation to become a successful UPSC topper are the syllabus and the previous year question papers by the UPSC. Prelims Papers IAS-Prelims-Papers-1-PDF-2019Download IAS-Prelims-Papers-1-PDF-2018Download IAS-Prelims-Papers-1-PDF-2017Download IAS-Prelims-Papers-1-PDF-2016Download IAS-Prelims-Papers-1-PDF-2015Download IAS-Prelims-Papers-1-PDF-2014Download IAS-Prelims-Papers-1-PDF-2013Download IAS-Prelims-Papers-1-PDF-2012Download IAS-Prelims-Papers-1-PDF-2011Download Mains Papers Mains Question Papers