Cracking the CDS 2026 written exam on the first attempt requires a smart preparation plan, a clear understanding of the syllabus, and consistent practice. 

With the right strategy and disciplined study routine, aspirants can easily clear the written exam and move toward the SSB interview stage. 

The key to success is not studying for long hours but studying with the right approach, focused resources, and regular mock practice

Understand the CDS Exam Pattern First

Before starting preparation, candidates must understand the exam structure.

For IMA, INA & AFA

• English – 120 Questions (100 Marks)

• General Knowledge – 120 Questions (100 Marks)

• Elementary Mathematics – 100 Questions (100 Marks)

For OTA

• English – 120 Questions

• General Knowledge – 120 Questions

Each paper is conducted for 2 hours with one-third negative marking, so accuracy is very important. 

Know the CDS Syllabus

Understanding the syllabus helps candidates avoid unnecessary topics and focus only on what is important for the exam.

English Syllabus

Important topics include:

• Spotting Errors

• Synonyms & Antonyms

• Reading Comprehension

• Cloze Test

• Ordering of Words/Sentences

• Idioms & Phrases

English is considered one of the most scoring sections in the CDS exam.

General Knowledge Syllabus

GK covers both static and current topics such as:

• History

• Geography

• Indian Polity

• Economy

• Science (Physics, Chemistry, Biology)

• Defence News

• Current Affairs (6–12 months)

Mathematics Syllabus

Major topics include:

• Number System

• Algebra

• Geometry

• Mensuration

• Trigonometry

• Time & Work

• Time & Distance

• Statistics

6-Month Study Plan for CDS 2026

A six-month strategy is ideal for beginners preparing for CDS.

Months 1-2: Build Basics

• Focus on fundamental concepts of Maths and GK

• Start English grammar practice

• Read newspapers like The Hindu or Indian Express

Months 3-4: Practice Phase

• Solve chapter-wise questions

• Attempt sectional tests

• Practice previous year questions

Months 5-6: Mock Test Phase

• Attempt 12–15 full-length mock tests

• Analyse mistakes carefully

• Improve speed and time management

Even 3-5 hours of focused daily study is enough if preparation is consistent. 

Subject-Wise Preparation Strategy

English Preparation Strategy

• Learn 20 new words daily

• Practice grammar rules regularly

• Solve previous year papers

Daily routine Example:

• 20 minutes vocabulary

• 30 minutes grammar practice

• 30 minutes PYQs

Target score:70+ marks

General Knowledge Strategy

GK preparation should be divided into static GK and current affairs.

Static GK

• Polity

• History

• Geography

• Economy

• Science

Current Affairs

Focus on:

• Defence news

• International relations

• Government schemes

• Awards & sports

Avoid studying from too many resources.

Mathematics Strategy

Many aspirants fear Maths, but CDS Maths is based on basic concepts and speed.

Preparation tips:

• Start with NCERT basics

• Maintain formula notes

• Practice previous year questions regularly

High-weightage topics:

• Algebra

• Geometry

• Trigonometry

• Time & Distance

• Time & Work

Target score: 50–60+ marks.

The Most Effective Preparation Formula

A proven method for CDS preparation is the following:

PYQs + Short Notes + Mock Tests