Shikha
Shikha Goyal
Assistant Manager
Updated on Apr 15, 2025 10:36 IST

The CDS 1 2025 exam was conducted on April 13, 2025. The CDS 1 2025 Answer key PDF for Maths, English, and General Knowledge is shared in the article for the candidates. Candidates can download the CDS 1 2025 exam unofficial answer key for all sets that is released by Major Kalshi Classes.

CDS 1 2025 Answer Key by Major Kalshi

CDS 1 2025 Answer Key by Major Kalshi

The Combined Defence Services (CDS) Examination is conducted to recruit Commissioned Officers for the Indian Army, Navy,  Air Force, and OTA. The CDS 1 2025 exam was conducted on April 13, 2025. The CDS exam is conducted twice a year by the Union Public Service. Candidates are chosen based on a written exam, followed by an SSB interview for IQ and personality. Following the end of an exam, many institutes offer an unofficial CDS answer key to assess performance. Major Kalshi is one of them. It also publishes the answer key for the CDS Written Exam 2025 following the exam. Scroll down to learn more about CDS 2025, as well as direct access to the answer key.

Q:   How do I download CDS answer key 2025?
A:

Candidates can download the answer key of CDS as given below.

  • Click the given links for the CDS answer key.
  •  On a new page, the answer key opens in PDF format.
  • Download the answer key and save it.
Q:   Has the exam conducting authority released CDS written exam answer key?
A:

The authority (UPSC) will release the CDS answer key for the written examination on the official website.

Q:   When will the CDS 2 2025 answer key be released?
A:

The CDS 2 2025 answer key will be released by the Union Public Service Commission (UPSC) on its official website a few days or a couple of weeks after the exam is over. Several coaching institutes may also release the unofficial CDS answer keys shortly after the conduction of an exam.

Table of contents
  • CDS 1 & 2 Exam
  • CDS 1 Exam 2025: Highlights
  • How to Download CDS 1 Answer Key 2025 by Major Kalshi?
  • CDS 1 Question Paper PDF Download 2025
  • Previous Years CDS Question papers and Answer Keys
  • How to calculate scores using CDS Answer Key 2025?
  • What is CDS Salary?
View More

CDS 1 & 2 Exam

The UPSC conducts the CDS exams twice a year, namely CDS 1 and CDS 2. The CDS 1 exam, is held for courses beginning in January at the Indian Military Academy in Dehradun, the Air Force Academy in Hyderabad, and the Indian Naval Academy in Ezhimala, as well as courses beginning in April at the Officers Training Academy in Chennai. CDS 2 is, on the other hand, conducted for courses beginning in July at the Indian Military Academy in Dehradun, the Air Force Academy in Hyderabad, the Indian Naval Academy in Ezhimala, and the Officers Training Academy in Chennai.  

Also Read: CDS Maths Question Paper 2025

CDS 1 Exam 2025: Highlights

Below is mentioned in detail about the CDS 1 Exam including exam level, frequency, stages, mode, etc.

Upcoming Sarkari Exam Dates

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9 Nov '25 - 30 Nov '25

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24 Nov '25 - 30 Nov '25

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30 Nov '25

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30 Nov '25

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30 Nov '25

RRB NTPC Application Form 2025...

28 Oct '25 - 4 Dec '25

REET Mains Application Form

7 Nov '25 - 6 Dec '25

KARTET 2025 exam

7 Dec '25

Parameters

Details

Name of exam

Combined Defence Services Examination

Conducted  by

UPSC

Exam Level

National

Exam frequency

Twice a year (April and September)

Exam mode

Offline

Exam stages

Written exam and SSB Interview

Exam timing

The time allotted to each paper such as English, General Knowledge, and Elementary Mathematics is two hours

Language of question paper

English and Hindi

No of questions

Elementary Maths: 100

General English: 120

General Knowledge: 120

Total marks

Written Exam

IMA, INA and AFA: 300

OTA: 200

SSB Interview

IMA, INA and AFA: 300

OTA: 200

Marking scheme

One mark for the correct answer

0.33 marks deducted for wrong answers

How to Download CDS 1 Answer Key 2025 by Major Kalshi?

Below, the steps are mentioned to download CDS answer key 2025 by Major Khalsi: 

  • Visit our Shiksha website where direct links to download the CDS 1 answer key PDF have been provided. 
  • Select your Question Paper Set-A/B/C/D
  • CDS 1 answer key 2025 will be displayed as per your question paper on the screen. 
  • Download the CDS 1 answer key and save it for future reference and comparison.

Also Read: CDS Cut Off 2025

CDS 1 Answer Key by Major Kalshi Classes 2025 

Candidates can check below answer key by Major Kalshi classes.

CDS 1 2025 Paper CDS 1 2025 Answer key PDF
CDS 1 English Answer Key (All Set)

Download Here

CDS 1 General Knowledge Answer key (Set B)

Download Here

CDS 1 Maths Answer Key (Set D) Download Here

CDS 1 Question Paper PDF Download 2025 

The candidates will be able to download the CDS 1 question paper on April 13, 2025, in the table below:

CDS Question Paper  CDS Question Paper PDF
CDS 1 English Question Paper 

Download Here (Set A)

Download Here (Set B)

Download Here (Set C)

Download Here (Set D)

CDS 1 General Knowledge Question Paper Download Here (Set B)
CDS 1 Maths Question Paper Download Here (Set D)

Previous Years CDS Question papers and Answer Keys

candidates can check below the previous years CDS exam question papers and answer key.

Q:   Will the CDS 2 2025 answer key be the same for all subjects?
A:

No. The CDS 2 2025 answer key will not be the same for all the subjects. The exam has separate subjects including English, General Knowledge, and Mathematics. and are divided into sections. 

CDS Question Paper  CDS Question Paper PDF 2024
CDS 1 English Question Paper 

Click Here

CDS 1 General Knowledge Question Paper

Click Here  

CDS 1 Maths Question Paper Click Here

CDS 2 Answer Key by Major Kalshi Classes 2024 

The unofficial answer key by the Major Khalsi Classes will be provided after the exam is concluded. The CDS answer key PDF will be provided in the table below:

Paper

All Sets Answers

CDS 2 English Answer Key (All Set)

Click Here

CDS 2 GK Answer Key (Set A)

Available Soon

CDS 2 Maths Answer Key

Available Soon

Paper

All Sets Answers

CDS 1 English Answer Key (All Set)

Click Here

CDS 1 GK Answer Key (Set A)

Click Here

CDS 1 Maths Answer Key

Available Soon

CDS 2 Question Paper PDF Download 2023

The candidates can download the CDS 2 question papers in the table given below:

CDS Question Paper  CDS Question Paper PDF
CDS 2 English Question Paper  Click Here
CDS 2 General Knowledge Question Paper Click Here

CDS 1 Question Papers 2023 

The candidates can check the CDS 1 Question papers for English, Maths General Knowledge in the table below:

CDS Question Paper  CDS Question Paper PDF
CDS 2 English Question Paper  Download Here
CDS 2 General Knowledge Question Paper Download Here
CDS 1 Maths Question Paper Download Here

CDS 2 Answer Key 2023 (Unofficial)- Download Link 

Major Khalsi released the unofficial answer key for CDS 2 for Maths, English, and GK all set so that students can calculate their approximate scores. The official answer key will be released by the commission after the time for raising objections is over. For the ease of candidates, we will provide the direct link to download the pdf answer.

Paper

All Sets Answers

CDS 2 English Answer Key

Click Here

CDS 2 GK Answer Key

Click Here

CDS 1 Answer Key 2023 (Unofficial)- Download Link 

Major Khalsi released the unofficial answer key for CDS 1 for Maths, English, and GK all set so that students can calculate their approximate scores. The official answer key will be released by the commission after the time for raising objections is over. For the ease of candidates, we will provide the direct link to download the pdf answer.

Paper

All Sets Answers

CDS 1 English Answer Key

Download Here

CDS 1 GK Answer Key

Download Here

CDS 1 Maths Answer Key

Download Here

How to calculate scores using CDS Answer Key 2025?

Candidates need to follow the marking scheme to calculate the scores prescribed by the examination authority. 

  • There is a penalty for wrong answers, and for the correct answer, the candidate will allot the marks assigned to the particular question. 
  • There is a negative marking for an incorrect answer. 1/3 marks are deducted as per the CDS exam pattern. 
  • If a candidate gives more than one answer, it will be treated as a wrong answer and a penalty of 1/3 marks will be deducted. 
  • If a candidate does not attempt a question, then there will be no penalty for that question. 
  • The scores of a candidate will be calculated by the UPSC, which is based on the number of correct answers after applying the penalty for wrong answers.

Also Read:

CDS Syllabus

CDS Exam Pattern

What is CDS Salary?

The candidates can check the stipend and the salary of the CDS posts according to their levels in the table below:

Rank

Level

Salary (In INR)

Lieutenant

Level 10

56,100 -1,77,500

Captain

Level 10 B

61,300- 1,93,900

Major

Level 11

69,400 – 2,07,200

Lieutenant Colonel

Level 12A

1,21,200 – 2,12,400

Colonel

Level 13

1,30,600-2, 15,900

Brigadier

Level 13A

1,39,600-2,17,600

Major General

Level 14

1,44,200-2,18,200

Lieutenant General HAG Scale

Level 15

1, 82, 200-2,24,100

HAG Scale

Level 16

2,05,400 – 2,24,400

VCOAS/Army Cdr/ Lieutenant General (NFSG)

Level 17

2,25,000 (fixed)

COAS

Level 18

2,50,000 (fixed)

 Read More:

About the Author
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Shikha Goyal
Assistant Manager
Shikha Goyal is an author with expertise in various domains, especially engineering. She has postgraduate degrees in Mathematics as well as Mass Communication and Journalism. She has devoted her life to helping stud Read Full Bio
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Student Forum

chatAnything you would want to ask experts?
Write here...

Answered a month ago

Some of the books, help candidates in their CDS preparation are given below:

  • High School English Grammar & Composition Edition by Wren and Martin
  • Objective General English by SP Bakshi
  • Word Power Made Easy by Norman Lewis
  • English Grammar & Composition by S.C Gupta

J

Jasleen Jain

Contributor-Level 6

Answered a month ago


The authority released a total of 453 vacancies for the CDS 2 exam 2025 for admission to the Indian Air Force, Indian Military Academy, Indian Naval Academy, and Officers’ Training Academy for courses. 

M

Manisha Singh

Contributor-Level 6

Answered a month ago

It is advised to the candidates to reach the CDS exam centre one hour before the given time. They should carry hall ticket along with them otherwise they will not be able to give the exam.

C

Chanchal Shekhar

Contributor-Level 6

Answered a month ago

Yes, the English section of the CDS exam is scorable if it is prepared properly. Usually the difficulty level of the exam is moderate. 

S

Satyendra Garg

Contributor-Level 6

Answered a month ago

Candidates can check the cut off marks for the CDS exam by visiting the official website at upsc.gov.in. The UPSC will release the cutoff according to the academy or course.

S

Shikha Goyal

Contributor-Level 10

Answered a month ago

The methods to check the CDS cut off marks is provided below:

  • Visit at upsc.gov.in.
  • Click on the :Examination" tab.
  • Go to the "Cut Off Marks" dropdown menu.
  • Click on the download link and save it for future reference.

I

Ishita Kaur

Contributor-Level 6

Answered 2 months ago

Yes. In the CDS exam there is a negative marking. One-third mark will be deducted for an incorrect answer. No mark will be deducted for unanswered questions. 

S

Shikha Shukla

Contributor-Level 6

Answered 2 months ago

The CDS exam is conducted offline or pen and paper mode. Objective questions will be asked in the examination. Candidates need to mark their choices of answers in the sheet that was provided during the exam. CDS 1 2026 notification will be released on December 10.

 

 

J

Jasleen Jain

Contributor-Level 6