UPSC has released the CSE Prelims 2020 Official Answer key for both GS Paper and CSAT paper. The Prelims examination was conducted on October 4, 2020. The final result of the CSE 2020 was declared on September 24, 2021. You can download the answer keys from the links given below.
UPSC Prelims 2020 official answer key – GS Paper 1
UPSC prelims 2020 official answer key – CSAT
About UPSC official Answer Key
Every year there are doubtful questions in the UPSC Prelims examination, thus to bring in transparency regarding cut off and marks of candidates, UPSC every year releases the official answer key for the Prelims examination. You can access the Official answer keys of Previous year’s Question papers here.
It is also important from the preparation point of view. Aspirants should start their preparation by going through the previous year’s question papers so that they can understand the expectation of the examination. Official answer key also helps in clearing the doubt around their answers and aspirants can analyze the questions with confidence.