DSSSB Combined Junior Engineer Examination (JE Electrical & Mechanical) 2026: Official Notification, Pattern, Syllabus & Mock Tests
DSSSB Combined Examination for Junior Engineers in Electrical and Mechanical engineering across Delhi utilities and urban municipal bodies.
Examination Overview
DSSSB Combined Examination for Junior Engineers in Electrical and Mechanical engineering across Delhi utilities and urban municipal bodies.
| Exam Name | DSSSB Combined Junior Engineer Examination (JE Electrical & Mechanical) |
|---|---|
| Conducting Authority | Delhi Subordinate Services Selection Board (DSSSB) |
| Exam Level | State / Union Territory |
| Frequency | Annual / Periodic |
| Mode of Examination | Computer Based Test (CBT) / Written Examination |
| Language of Exam | English, Hindi & State Regional Languages |
| Official Website | https://dsssb.delhi.gov.in ↗ |
Important Dates & Events
Timeline confirmed from official notices issued by Delhi Subordinate Services Selection Board (DSSSB).
| Event / Milestone | Important Date / Status |
|---|---|
| DSSSB Notification | Cycle 2026 |
| Tier-I Examination | Delhi NCR Centres |
Exam Pattern & Marking Scheme
{"tier1":"Tier-I Prelims CBT (200 Qs, 200 Marks, 2 Hours): Section A Non-Tech (100 Marks) + Section B Electrical/Mech Engineering (100 Marks).","tier2":"Tier-II Mains CBT (200 Qs, 200 Marks, 2.5 Hours): Discipline Technical (150 Marks) + English Comprehension (50 Marks)."}
| Examination Parameter | Scheme Details | Remarks / Evaluation |
|---|---|---|
| Question Format | Multiple Choice Questions (Objective MCQs) | 4 or 5 options per question |
| Evaluation Mode | Computer Based Test (CBT) / Offline OMR Sheet | Centralized Evaluation System |
| Negative Marking Scheme | Standard 1/3rd or 1/4th negative deduction | Penalized for incorrect responses |
| Language Medium | Bilingual (English & Hindi) + Regional State Languages | Language toggle available in CBT |
| Normalization | Equipercentile or Percentile method across shifts | Multi-shift normalization applied |
Selection Process & Stages
Candidate progression through sequential recruitment tiers:
Preliminary / Tier 1 Examination
Comprehensive objective screening test covering core aptitude, reasoning, general knowledge and language skills.
Mains / Tier 2 / Skill Test
Advanced written assessment or post-specific technical/descriptive examination determining the final merit order.
Document Verification & Medical
Scrutiny of original certificates, category credentials, age proofs and required medical fitness examination.
Eligibility Criteria (Age & Educational Qualification)
{"min_education":"Degree in Electrical/Mechanical Engineering or Three-year Diploma in Electrical/Mechanical Engineering with 2 years relevant experience","min_age":18,"max_age":27}
| Parameter | Eligibility Condition | Relaxation Norms |
|---|---|---|
| Educational Criteria | {"min_education":"Degree in Electrical/Mechanical Engineering or Three-year Diploma in Electrical/Mechanical Engineering with 2 years relevant experience","min_age":18,"max_age":27} | Recognized Board / University required |
| Age Requirement | As specified in official notification (General Category) | SC/ST: +5 Years | OBC: +3 Years | PwD: +10 Years |
| Citizenship | Citizen of India | Subject of Nepal/Bhutan as per Central/State rules |
| Language Proficiency | Regional / English & Hindi working knowledge | Applicable as per State / National jurisdiction |
Detailed Syllabus by Subject
{"electrical_mechanical":"Circuit theory, electrical machines, power systems, control systems, thermodynamics, fluid machinery, refrigeration & air conditioning, maintenance engineering."}
📖 General Studies & Current Affairs
- Current National & International Events
- Indian History & Freedom Struggle
- Indian & World Geography
- General Science (Physics, Chemistry, Biology)
- Indian Polity, Constitution & Governance
- Basic Economic Concepts & Budget Highlights
🔢 Quantitative & Numerical Aptitude
- Simplification, Number System, HCF & LCM
- Percentage, Ratio & Proportion, Profit & Loss
- Simple & Compound Interest
- Time, Speed & Distance, Time & Work
- Data Interpretation (Tables, Bar & Pie Charts)
🧩 Reasoning & Mental Ability
- Analogies, Classification & Series Completion
- Coding-Decoding & Blood Relations
- Direction Sense Test & Ranking Order
- Syllogisms, Statements & Assumptions
- Non-Verbal Reasoning & Figure Counting
📝 Language Comprehension
- Reading Comprehension Passages
- Vocabulary, Synonyms & Antonyms
- Grammar, Error Spotting & Sentence Correction
- Cloze Test, Idioms & Phrases
- One Word Substitutions & Spelling Check
Preparation Strategy & Cut-Off Trends
Historical scoring benchmarks and safe score targets for DSSSB Combined Junior Engineer Examination (JE Electrical & Mechanical) based on competitive trends:
| Category | Safe Target Percentage | Preparation Focus | Benchmark Accuracy |
|---|---|---|---|
| General (UR) | 75% - 82% | Speed + Negative Control in Reasoning & Quant | 90%+ Accuracy |
| OBC / EWS | 70% - 76% | High Scoring in Current Affairs & Language | 88%+ Accuracy |
| SC / ST | 62% - 70% | Syllabus Coverage & Previous Year Papers | 85%+ Accuracy |
| PwD / Ex-SM | 55% - 65% | Sectional Cut-Off clearance + Accuracy | 82%+ Accuracy |
Official Mock Test Series & CBT Practice
Practice full-length CBT tests matching the exact DSSSB JE Electrical / Mech pattern with bilingual questions and instant rank analysis.
20 Full-Length Mock Tests Series
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Start Free Starter Mock 1 →2027 Official Practice Series & Question Bank
2027 CYCLE READYTargeted subject-wise and topic-wise practice series for DSSSB Combined Junior Engineer Examination (JE Electrical & Mechanical). Featuring expected question predictions, pattern mastery, and instant step-by-step CBT solutions.
2027 Practice Series for this examination are being scheduled. Check back shortly.
Official Previous Year Solved Question Papers
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