https://www.upsc.gov.in/examinations/previous-question-papers Click on above Link for download UPSC PRELIMINARY EXAM QUESTION PAPERS ЁЯЦХ Link Below for Answer keys :- ЁЯСЗ https://www.google.com/amp/s/m.jagranjosh.com/articles/amp/upsc-prelims-civil-services-examination-answer-key-and-updates-1633433829-1 Direct download link for UPSC answer key :- UPSC Prelims Answer Key: 2021, 2020, 2019, 2018, 2017, 2016, 2015! https://www.google.com/amp/s/m.jagranjosh.com/articles/amp/upsc-prelims-civil-services-examination-answer-key-and-updates-1633433829-1
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