Delhi Subordinate Service Selection Board (DSSSB) has released the syllabus PDF for Grade – II/Assistant Section Officer (ASO), Legal Assistant, and other posts. Candidates must be aware of the DSSSB ASO Syllabus to know all the subject-wise topics from which questions will be asked in the exam.
DSSSB ASO Syllabus and Exam Pattern 2026
DSSSB ASO Syllabus includes questions from General Awareness, Reasoning, Numerical Ability, English Language, and Computer. Candidates must also understand the exam pattern to know the exam format, including the number of questions, marks, duration, and more.
| Particulars | Details |
| Post | DSSSB DASS Grade-2 & Assistant Section Officer (ASO) Examination |
| Mode of Exam | Online |
| DSSSB ASO Exam Date 2026 | 21st September to 18th October 2026 |
| Types of Questions | Objective Type Questions (MCQ) |
| Total Questions (Tier 1) | 200 |
| Total Marks | 200 Marks |
| Negative Marking | 0.25 |
| Level of Examination | State Level |
| Job Location | Delhi |
| Selection process | Written Examination (Tier 1 & Tier 2), DV, and Medical Examination |
DSSSB ASO Exam Pattern 2026
- Tier 1 is a computer-based test (CBT) consisting entirely of objective-type (MCQ) questions, while Tier 2 Paper will consist of 300 questions, both objective and descriptive.
- DSSSB ASO Tier-I examination is only qualifying in nature and used for shortlisting only. However, mandatory minimum qualifying marks criteria will be applicable in Tier-I Examination.
- A deduction of 0.25 marks will be made for each wrong Multiple Choice Question (MCQ) answer of 01 marks question.
DSSSB ASO Tier 1 Exam Pattern 2026
| DSSSB ASO Tier 1 Exam Pattern 2026 | |||
| Subjects | No. of Questions | Marks | Time Duration |
| General Awareness | 40 | 40 | 2 hours |
| General Intelligence & Reasoning | 40 | 40 | |
| Arithmetical & Numerical Ability | 40 | 40 | |
| Hindi Language & Comprehension | 40 | 40 | |
| English Language & Comprehension | 40 | 40 | |
| Total | 200 | 200 | |
DSSSB ASO Tier 2 Exam Pattern 2026
| DSSSB ASO Tier 2 Exam Pattern 2026 | |||
| Subjects | No. of Questions | Marks | Time Duration |
| General Awareness | 40 | 40 | 3 hours |
| General Intelligence & Reasoning Ability | 40 | 40 | |
| Arithmetical & Numerical Ability | 40 | 40 | |
| English Language & Comprehension | 40 | 40 | |
| Computer Proficiency | 40 | 40 | |
| Essay / Expansion of Ideas (English) | — | 50 | |
| Letter / Application writing (In English) | — | 25 | |
| Precis writing / Summarising (In English) | — | 25 | |
DSSSB ASO Syllabus 2026 (Tier 1 & 2)
Below is the section-wise detailed syllabus for the DSSSB ASO written examination. Candidates should cover each topic thoroughly, as questions can be framed from any part of the syllabus.
General Awareness Syllabus
- General Awareness of the environment around him/her and its application to society
- Knowledge of Current Events and of such matters of everyday observation
- History
- Polity
- Constitution
- Sports
- Art & Culture
- Geography
- Economics
- Everyday Science
- Scientific Research
- National/ International Organizations/ Institutions etc.
Reasoning Ability Syllabus
- Verbal and non-verbal types
- Analogies
- Similarities
- Differences
- Space visualization
- Problem solving
- Analysis
- Judgement
- Decision Making
- Visual Memory
- Discrimination
- Observation
- Relationship
- Concepts
- Arithmetical Reasoning
- Verbal and figure classification
- Arithmetical number series etc.
Arithmetical & Numerical Abilities Syllabus
- Number Systems
- Simplification
- Decimals
- Data Interpretation
- Fractions
- L.C.M.
- H.C.F.
- Ratio & Proportion
- Percentage
- Average
- Profit & Loss
- Discount
- Simple & Compound Interest
- Mensuration
- Time & Work
- Time & Distance
- Tables & Graphs etc.
English Language & Comprehension Syllabus
- Candidate’s understanding and comprehension of the English Language
- Vocabulary
- Grammar
- Sentence Structure
- Synonyms
- Antonyms and their correct usage etc.
Computer Knowledge Syllabus
The Computer Knowledge exam will be conducted in the Tier 2 stage.
- Hardware & Software Basics
- History and Origin of Computers
- Generations of Computers
- Window Operating System
- Internet and Related Terms
- Questions on Basic MS-Office
- Networking and Communication
- Database Management
- Virus and Security
- Input and Output Devices
- Shortcut Key
DSSSB ASO Syllabus 2026 PDF
Delhi Subordinate Service Selection Board (DSSSB) has released the official DSSSB ASO Syllabus 2026 PDF for Advt 01/2026 Post Code 804/26 for the DASS Grade-2 exam. Candidates can download it from the official website or the direct link shared here.
DSSSB ASO Selection Process 2026
The selection process for DSSSB ASO consists of the following stages and candidates must need to qualify in all stages.
Stage 1- Written Examination (Tier I): 200 multiple-choice questions (MCQs) for 200 marks.
Stage 2- Written Examination (Tier II): Objective typer & descriptive type
Stage 3- Document Verification: Candidates shortlisted on the basis of the written exam merit list are called for document verification. Original certificates of educational qualifications, age proof, caste certificate (if applicable), and other relevant documents must be produced.
Stage 4- Medical Examination: Selected candidates may be required to undergo a medical fitness examination as per departmental norms.
Stage 5- Final Merit List: The final selection is based purely on the marks secured in the written examination. There is no interview for the ASO post.
DSSSB ASO Preparation Tips
Preparing for the DSSSB Grade-II ASO Examination requires a smart strategy, a clear understanding of the syllabus, and consistent practice. Below, we have shared some effective preparation tips to help candidates to score better in the exam.
- Understand the syllabus and note down the important topics.
- Make a realistic study plan and allocate more time to weak areas. Include daily revision in your timetable.
- For current affairs, read the newspaper daily.
- Revise static GK regularly and make short notes for quick revision.
- Focus on strong areas, clear the basic concepts, and practice questions.
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