DSSSB ASO Syllabus & Exam Pattern 2026-Complete Guide 

The Delhi Subordinate Services Selection Board (DSSSB) has announced the syllabus and exam pattern for the Assistant Section Officer (ASO) 2026 exam. Whether you’re a first-time candidate or looking to improve your score, understanding the structure, subjects, and marking system is essential for your preparation.

This detailed guide will walk you through the DSSSB ASO syllabus, exam pattern, marking scheme, and provide expert tips to help you succeed. Let’s dive in!

DSSSB ASO Exam Overview

The DSSSB ASO exam is conducted to recruit candidates for various government positions in Delhi. Below are some key details about the exam:

DSSSB ASO Exam Details

DSSSB ASO Exam Pattern 2026

The ASO exam is a two-tier process. Here’s a breakdown:

Tier I: Objective Questions

• General Awareness

• Reasoning Ability

• Numerical Ability

• Hindi Comprehension

• English Comprehension

📌 Questions: 200 | Marks: 200 | Duration: 2 hours
✅ Tier I is qualifying, and marks are used for shortlisting candidates for Tier II.

Tier II: Objective + Descriptive Questions

Part I (Objective):

• General Awareness

• Reasoning

• Numerical Ability

• English

• Computer Proficiency

📌 Questions: 200 | Marks: 200 | Duration: 3 hours

Part II (Descriptive):

• Essay Writing

• Letter/Application Writing

• Precis Writing

📌 Marks: 100 | Duration: Not specified

Legal Assistant Exam Pattern (if applicable)

For candidates applying for the Legal Assistant posts under the same notification:

Tier I

• General Awareness

• Reasoning

• Numerical Ability

• Hindi & English

📌 Questions: 100 | Marks: 100 | Duration: 2 hours

Section B (Subject‑Specific Law)

• Law (Legal Knowledge)

📌 Questions: 100 | Marks: 100

DSSSB ASO Subject-wise Syllabus

Here’s the breakdown of topics covered in the DSSSB ASO syllabus:

1. General Awareness

• Current Affairs (last 6 months)

• Indian History, Geography, Polity & Constitution

• Economics and Sports

• Scientific Research & Discoveries

• Famous Books, Authors & Places in India

• National & International Organizations

2. Reasoning Ability

• Analogy

• Blood Relations

• Syllogism & Number Series

• Logical Reasoning (Space Visualization, Judgment, and Decision Making)

• Visual Memory

3. Numerical Ability

• Number System & Simplification

• Percentages, Average, Profit & Loss

• Time & Work, Time & Distance

• Simple & Compound Interest

• Data Interpretation & Statistics

4. English Language & Comprehension

• Sentence Improvement & Error Detection

• One‑Word Substitution

• Idioms & Phrases

• Synonyms & Antonyms

• Reading Comprehension

• Spelling & Grammar

5. Computer Knowledge

• Basics of Hardware & Software

• MS Office, Internet Terminology

• Operating Systems & Networking

• Database Management & Computer Security

• Shortcuts & Input/Output Devices

Marking Scheme for DSSSB ASO Exam

• Correct Answer: +1 mark

• Wrong Answer: -0.25 marks (negative marking)

• Unattempted: 0 marks

Tip: Be cautious with guessing, as negative marking can impact your score.

Top High-Scoring Topics for DSSSB ASO Exam

Focus your efforts on these high-yield areas:

• Current Affairs & General Knowledge

• Simplification & Percentages

• Coding-Decoding & Puzzles

• Reading Comprehension & Error Detection

• Basic Computer Knowledge

Expert Tips for DSSSB ASO Preparation

• Understand the Exam Pattern: Familiarize yourself with the Tier I and II formats to manage time effectively.

• Master Basics in Reasoning & Maths: Strengthen your fundamentals in numerical ability and reasoning for high accuracy.

• Stay Updated on Current Affairs: Read newspapers, online journals, and watch news to stay updated on the latest events.

• Solve Previous Year Papers: Familiarize yourself with the question format and difficulty level by practicing old question papers.

• Mock Tests: Take regular mock tests to assess your progress and improve speed and accuracy.

Frequently Asked Questions (FAQs)

Q: What is the DSSSB ASO 2026 exam pattern?

A: The exam follows a two-tier format: Tier I (qualifying) with objective questions, and Tier II with objective and descriptive questions.

Q: Is there negative marking in DSSSB ASO exam?

A: Yes, 0.25 marks are deducted for each incorrect answer.

Q: Which subjects are covered in the exam?

A: Subjects include General Awareness, Reasoning, Numerical Ability, Hindi & English, and Computer Knowledge.

Q: Are marks from Tier I considered in the final merit list?

A: No, Tier I is only qualifying, and the final merit is based on Tier II performance.

Conclusion

The DSSSB ASO exam offers an excellent opportunity to work in the government sector. By understanding the exam pattern, mastering the syllabus, and following effective preparation strategies, you can significantly increase your chances of success. Start your preparation today and stay consistent!

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