UPSC ESE Prelims Answer Key 2026: PDF Download & Analysis

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UPSC ESE Prelims Answer Key 2026

Key Highlights

  • Exam Date: The ESE Prelims took place on February 8, 2026.

  • Official Release: UPSC releases the authorized key only after the final recruitment process concludes.

  • Negative Marking: One-third of the marks assigned to a question are deducted for errors.

  • Total Marks: The Prelims stage carries a total weightage of 500 marks.

Status of UPSC ESE Answer Key 2026

Status of UPSC ESE Answer Key 2026

The upsc ese answer key serves as the primary tool for candidates to gauge their performance immediately after the examination. 

While the official key from the commission remains pending until the final results, reputable coaching institutions release provisional keys shortly after the exam concludes.

Candidates can cross-reference their responses with these unofficial keys to estimate their chances of qualifying for the Mains. The official answer key will eventually appear on the commission's website, usually months after the exam cycle ends.

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How to Calculate Your Score

How to Calculate Your Score

Aspirants must follow the specific marking scheme to derive an accurate raw score. Paper 1 (General Studies) and Paper 2 (Engineering Discipline) follow distinct weightages but share the same negative marking penalty.

Calculation Formula:

  1. Correct Answers: Assign marks based on the paper type (Paper 1 carries 200 marks; Paper 2 carries 300 marks).

  2. Incorrect Answers: Deduct one-third of the marks allotted to that specific question.

  3. Unattempted Questions: Assign zero marks.

Formula: Total Score = (Correct Answers × Marks per Question) - (Incorrect Answers × 0.33 × Marks per Question)

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Download Branch-Wise Answer Key PDFs

Download Branch-Wise Answer Key PDFs

The upsc ese prelims answer key differs across the four engineering disciplines. The table below organizes the links to unofficial PDF downloads for Set A, B, C, and D as they become available from institutes like MADE EASY and IES Master.

Engineering Branch

Answer Key Status

Download Link

Civil Engineering

Unofficial Released

[Check PDF]

Mechanical Engineering

Unofficial Released

[Check PDF]

Electrical Engineering

Unofficial Released

[Check PDF]

Electronics & Telecom

Unofficial Released

[Check PDF]

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Steps to Access the Official Key

Steps to Access the Official Key

Once the recruitment cycle finishes, the commission publishes the verified keys. Candidates should check the upsc previous question paper section on the official site for these archives.

Procedure for Official Download:

  1. Visit the official UPSC website.

  2. Navigate to the "Examination" tab.

  3. Select "Answer Keys" from the dropdown menu.

  4. Locate "Engineering Services (Prelims) Examination, 2026."

Analysis of Previous Trends

Analysis of Previous Trends

Analyzing past data helps aspirants set realistic expectations. For instance, the upsc ese 2022 answer key revealed a specific difficulty trend that influenced the cut-offs for that year. 

Candidates should review the upsc answer keys from 2022 and 2024 to understand the shifting focus of the commission, particularly in General Studies.

Typically, the cut-off fluctuates based on the difficulty level of the specific engineering discipline paper. Candidates scoring above 250 (out of 500) generally stand a strong chance of qualifying, though this varies by branch.

What Happens After the Prelims?

What Happens After the Prelims?

Successful candidates proceed to the Mains stage, scheduled for June 21, 2026. The marks secured in the Prelims generally count towards the final merit list, making accuracy in the upsc ESE result critical. 

Aspirants should begin Mains preparation immediately if their estimated score crosses the expected threshold.

Frequently asked question (FAQs)

When was the UPSC ESE Prelims 2026 conducted?
Is there negative marking in the ESE Prelims?
When will the official UPSC ESE 2026 answer key be released?
Where can I find the unofficial answer keys?
What are the total marks for the ESE Prelims exam?

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The UPSC Prelims Answer Key 2026 covers GS Paper 1 and CSAT Paper 2, both held on May 24, 2026. UPSC plans to release the provisional answer key soon after the exam under its new reform policy. Candidates can download the official PDF from upsc.gov.in and raise objections through the QPRep portal.

UPSC Prelims Answer Key 2026 – GS Paper 1 & CSAT PDF

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The UPSC Prelims Answer Key 2026 covers GS Paper 1 and CSAT Paper 2, both held on May 24, 2026. UPSC plans to release the provisional answer key soon after the exam under its new reform policy. Candidates can download the official PDF from upsc.gov.in and raise objections through the QPRep portal.

UPSC Prelims Answer Key 2025: Official PDF, Cutoff and Marksheet

The Union Public Service Commission released two separate PDFs, one for General Studies Paper 1 and another for CSAT Paper 2 (GS Paper II).

You will find one PDF per paper, with all four question sets (A, B, C, D) covered. The numbering of questions changes across the four sets, but the questions themselves are identical. Set A is treated as the reference set.

The 2025 paper was widely seen as moderate to tough. Aspirants and coaching faculties flagged unconventional History questions, a longer Polity section, and a slightly easier Environment portion.

The CSAT paper was a fresh shock for many, continuing the pattern set since 2023. Roughly 5.83 lakh candidates wrote the exam out of around 13 lakh registered. Only about 14,627 cleared the cutoff for Mains.

Download UPSC Prelims 2025 Answer Key PDF

Download UPSC Prelims 2025 Answer Key PDF
UPSC released the official UPSC Prelims Answer Key 2025 on 13 May 2026. The set-wise PDFs cover GS Paper 1 and CSAT. The General cutoff was 92.66 out of 200, a sharp rise from 2024. This guide shares the official PDF links, category-wise cutoff, marksheet download steps and how to use the key for the 2026 cycle.

UPSC Prelims Answer Key 2025: Official PDF, Cutoff and Marksheet

The Union Public Service Commission released two separate PDFs, one for General Studies Paper 1 and another for CSAT Paper 2 (GS Paper II).

You will find one PDF per paper, with all four question sets (A, B, C, D) covered. The numbering of questions changes across the four sets, but the questions themselves are identical. Set A is treated as the reference set.

The 2025 paper was widely seen as moderate to tough. Aspirants and coaching faculties flagged unconventional History questions, a longer Polity section, and a slightly easier Environment portion.

The CSAT paper was a fresh shock for many, continuing the pattern set since 2023. Roughly 5.83 lakh candidates wrote the exam out of around 13 lakh registered. Only about 14,627 cleared the cutoff for Mains.

Download UPSC Prelims 2025 Answer Key PDF

Download UPSC Prelims 2025 Answer Key PDF
UPSC released the official UPSC Prelims Answer Key 2025 on 13 May 2026. The set-wise PDFs cover GS Paper 1 and CSAT. The General cutoff was 92.66 out of 200, a sharp rise from 2024. This guide shares the official PDF links, category-wise cutoff, marksheet download steps and how to use the key for the 2026 cycle.

UPSC CDS 1 2026 Answer Key PDF: English, GK, Maths (All Sets)

Key Highlights:

  • UPSC CDS 1 2026 Exam Date: April 12, 2026.

  • Availability: Unofficial set-wise keys for English, General Knowledge, and Mathematics are available.

  • Official Answer Key: Released by UPSC

  • GK Marking scheme: 120 questions, 100 marks. +0.83 mark for correct, -0.33 mark for incorrect (approx.).

  • English Marking scheme: 120 questions, 100 marks.

  • Maths Marking scheme: 100 questions, 100 marks

The Union Public Service Commission conducted the UPSC CDS 1 2026 Exam on 12 April 2026. Official Answer Keys have been released by UPSC on their official website.

Candidates can also use the UPSC CDS 1 Set-wise Answer Key created by PadhAI experts in order to evaluate their performance.

UPSC CDS1 2026 Answer Key
Use our subject-specific UPSC CDS 1 2026 answer key for English, GK & Maths (Sets A/B/C/D) to calculate your score and check the detailed paper analysis for all sets.

UPSC CDS 1 2026 Answer Key PDF: English, GK, Maths (All Sets)

Key Highlights:

  • UPSC CDS 1 2026 Exam Date: April 12, 2026.

  • Availability: Unofficial set-wise keys for English, General Knowledge, and Mathematics are available.

  • Official Answer Key: Released by UPSC

  • GK Marking scheme: 120 questions, 100 marks. +0.83 mark for correct, -0.33 mark for incorrect (approx.).

  • English Marking scheme: 120 questions, 100 marks.

  • Maths Marking scheme: 100 questions, 100 marks

The Union Public Service Commission conducted the UPSC CDS 1 2026 Exam on 12 April 2026. Official Answer Keys have been released by UPSC on their official website.

Candidates can also use the UPSC CDS 1 Set-wise Answer Key created by PadhAI experts in order to evaluate their performance.

UPSC CDS1 2026 Answer Key
Use our subject-specific UPSC CDS 1 2026 answer key for English, GK & Maths (Sets A/B/C/D) to calculate your score and check the detailed paper analysis for all sets.

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About Author

Gajendra Singh Godara

Growth | FTE| Resident at SigIQ

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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Why choose PadhAI?

Read daily top news (TH & IE) & Solve Current Affairs MCQs

Topic-wise search of 30+ yrs PYQs

24×7 AI tutor for doubt resolution

Practice 30k+ MCQs & full GS + CSAT mocks

Play Duel UPSC quizzes with fellow aspirants

PadhAI UPSC App

We're PadhAI - a free UPSC prep app built by IITians, AI PhDs & top UPSC experts.

Why choose PadhAI?

Read daily top news (TH & IE) & Solve Current Affairs MCQs

Topic-wise search of 30+ yrs PYQs

24×7 AI tutor for doubt resolution

Practice 30k+ MCQs & full GS + CSAT mocks

Play Duel UPSC quizzes with fellow aspirants

PadhAI UPSC App

We're PadhAI - a free UPSC prep app built by IITians, AI PhDs & top UPSC experts.
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