UPSC Prelims 2023 Answer Key PDF: GS and CSAT
Download UPSC Prelims 2023 official answer key PDF for GS Paper 1 & CSAT. Verify answers, calculate scores, and know how to prepare for the 2026 exam with 2023 answer key
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The Union Public Service Commission has officially released the UPSC official answer key 2023. You can now verify your answers directly against the commission's data. This release comes nearly a year after the exam took place, following the declaration of the final results on May 9, 2024.
If you appeared for the exam or are preparing for the next one, analyzing this document is crucial. Here is a detailed breakdown of the UPSC answer key 2023, the controversial dropped question, and how you can calculate your exact score.
UPSC Prelims 2023 Answer Key Pdf Download
You can access the official PDFs for all sets (A, B, C, and D) directly from the UPSC website.
Open the official website upsc.gov.in.
Navigate to the Examination tab in the main menu.
Select Answer Key from the dropdown list.
Look for the link titled Civil Services (Preliminary) Examination 2023.
Click to download the PDF files for GS Paper 1 and GS Paper 2 (CSAT)
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Key Dates and Official Details
The release of the UPSC answer key 2023 marks the closure of the 2023 exam cycle. It provides transparency and allows you to understand the official stance on ambiguous questions.
Exam Date: May 28, 2023
Result Date: June 12, 2023
Official Key Release: May 9, 2024
Website: upsc.gov.in
Paper 2, or the CSAT, often causes anxiety among aspirants. The UPSC CSAT 2023 answer key is vital because this paper is qualifying in nature. You must score at least 66.67 marks (33%) to proceed to the Mains, regardless of your score in GS Paper 1.
CSAT Paper Structure:
Total Questions: 80
Maximum Marks: 200
Target Score: 66.67+
Many candidates find discrepancies between coaching institute keys and the official key, especially in the Reading Comprehension section. The official key resolves these doubts effectively.
The most significant reveal in the UPSC prelims 2023 answer key is the removal of one question from General Studies Paper 1. When the commission drops a question, it is usually due to ambiguity or a lack of a single correct option.
The Specific Question:
The question was about Constitutional Amendments. It asked:
"In India, which one of the following Constitutional Amendments was widely believed to be enacted to overcome the judicial interpretations of the Fundamental Rights?"
The Options Provided Were:
(a) 1st Amendment
(b) 42nd Amendment
(c) 44th Amendment
(d) 86th Amendment
According to the UPSC official Prelims answer key 2023, this question has been dropped. It will not count toward your final score. This marks a shift in how the cutoff was calculated for that year.
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Now that you have the UPSC prelims 2023 answer key, you can calculate your marks with precision.
For General Studies (Paper 1):
Step 1: Count your total correct answers and multiply by 2.
Step 2: Count your total incorrect answers and multiply by 0.67.
Step 3: Subtract the negative marks from the positive marks.
Note: Do not include the dropped question in your calculation.
Final Marks of Aspirants : (Correct answers X 2) - (Wrong answer X 0.67).
For CSAT (Paper 2):
Step 1: Count your total correct answers and multiply by 2.5.
Step 2: Count your total incorrect answers and multiply by 0.83.
Step 3: Subtract the negative marks from the positive marks.
Final Marks of Aspirants : (Correct answers X 2.5) - (Wrong answer X 0.83).
If you are preparing for the upcoming cycle, do not treat the UPSC official answer key 2023 merely as a historical document. Use it as a preparation tool:
Reverse Engineering: Take the GS Paper 1 of the UPSC prelims 2023 and attempt it as a mock test. Score yourself strictly using the UPSC pre 2023 answer key.
Identify "Trap" Questions: Analyze the dropped questions in the UPSC CSAT 2023 answer key and answer key of UPSC prelims 2023. Why were they dropped? Was the phrasing vague? Learning to identify and skip such "risky" questions in the exam hall is a skill that saves negative marks.
Audit Your Sources: If you got a question wrong because your study material had a nuanced interpretation while UPSC accepted a direct one, it's time to switch back to the bare act or primary sources.
UPSC CSE Prelims Year Wise Answer Key for Preparation:
UPSC Prelims 2025 Answer Key | |
UPSC Prelims 2021 Answer Key | UPSC Prelims 2020 Answer Key |
UPSC Prelims 2019 Answer Key | UPSC Prelims 2018 Answer Key |
UPSC Prelims 2017 Answer Key | UPSC Prelims 2016 Answer Key |
UPSC Prelims 2015 Answer Key | UPSC Prelims 2014 Answer Key |
If you are preparing for 2026, the previous year upsc answer key is a goldmine. It helps you understand the "mind of the paper setter."
Analyze Ambiguity: See which options UPSC considers correct in tricky polity or history questions.
Reading Comprehension: The CSAT key clarifies the logic UPSC expects in reading passages.
Cutoff Analysis: The 2023 cutoff was 75.41. By checking the key, you can see exactly how difficult the paper was and why the cutoff dropped to this level.
Frequently asked question (FAQs)
When was the official UPSC answer key 2023 released?
Did UPSC drop any questions in 2023?
Is the CSAT answer key available for all sets?
Where can I find the official cutoff for 2023?
What should I do after checking the UPSC Prelims 2023 answer key?
Gajendra Singh Godara
Ex-UPSC Aspirant | Exam Preparation Expert
Gajendra Singh Godara is an IIT Bombay graduate and a UPSC aspirant with 4 attempts, including multiple Prelims and Mains appearances. He specializes in Polity, Modern History, International Relations, and Economy. At PadhAI, Gajendra leverages his firsthand exam experience to simplify complex concepts, creating high-efficiency study materials that help aspirants save time and stay focused.
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