UPSC Prelims Answer Key: Download 2022, 2021, 2020, 2019 CSE GS and CSAT Answer Key and Question Paper

UPSC Prelims Answer Key: Union Public Service Commission is conducting the prelims exam for Civil Service Exam (CSE) this Sunday. Those who are going to appear for the exam are searching for the question paper and answer key for the previous year for their preparation. In this article, students can check the question paper & answer key of the last four years for the UPSC Prelims Exam (2022, 2021, 2020 and  2019). With this answer key, students can easily understand exam patterns and the difficulty level of the question for the last four years.