State PSC & State Govt · Rajasthan · Updated October 2026
Rajasthan Lab Assistant ExamEligibility, Syllabus, Exam Pattern, Salary, Cut-Off, PYQs and Free Mock Test
Rajasthan Lab Assistant is conducted by Rajasthan Staff Selection Board (RSSB / RSMSSB) to recruit Junior Engineers / Sub-Engineers and Technical Assistants across key engineering departments of Rajasthan, including Public Works (PWD), Water Resources & Irrigation, Public Health Engineering (PHED), Rural Engineering, Housing and Urban Development. The examination combines a rigorous test of core engineering subjects (Civil, Mechanical, Electrical, Agricultural or Electronics/IT) with Rajasthan General Studies and General Aptitude.
- Type
- Recruitment
- Level
- State · Rajasthan
- Conducting body
- RSMSSB Technical
Start for free with Rajasthan Lab Assistant syllabus study notes, solved previous year papers, real-pattern mock tests and AI Tutor support.
Rajasthan Lab Assistant exam overview and highlights
About Rajasthan Lab Assistant
Rajasthan Lab Assistant is conducted by Rajasthan Staff Selection Board (RSSB / RSMSSB) to recruit Junior Engineers / Sub-Engineers and Technical Assistants across key engineering departments of Rajasthan, including Public Works (PWD), Water Resources & Irrigation, Public Health Engineering (PHED), Rural Engineering, Housing and Urban Development. The examination combines a rigorous test of core engineering subjects (Civil, Mechanical, Electrical, Agricultural or Electronics/IT) with Rajasthan General Studies and General Aptitude.
The examination process for Rajasthan Lab Assistant comprises 3 stages: Paper I: General Studies, State GK & General Aptitude, followed by Paper II: Core Engineering / Technical Discipline, followed by Document Verification. The official syllabus tests candidates across 5 core areas — Civil Engineering (for Civil Stream), Mechanical & Electrical Engineering (for Mech/EE Streams), Rajasthan General Knowledge, History, Geography and Economy, General Studies and Current Affairs, Quantitative Aptitude, Reasoning and Mental Ability — focusing on conceptual clarity, speed, and accuracy. Selection is based directly on the written examination marks (no interview for Junior Engineer / Group C technical posts), followed by document verification.
Key subjects
- Civil Engineering (for Civil Stream)
- Mechanical & Electrical Engineering (for Mech/EE Streams)
- Rajasthan General Knowledge, History, Geography and Economy
- General Studies and Current Affairs
- Quantitative Aptitude, Reasoning and Mental Ability
What clearing Rajasthan Lab Assistant leads to
- Junior Engineer / Sub-Engineer in Rajasthan PWD, Water Resources & Urban Bodies
- Technical / Informatics / Lab Assistant
- Compensation & Pay Scale: Pay Level 6 (typically ₹35,400 – ₹1,12,400 basic pay) plus technical and field allowances
- Direct appointment under Rajasthan Staff Selection Board (RSSB / RSMSSB) across Rajasthan state government departments and field cadres
- Gazetted / Non-Gazetted cadre progression, time-bound departmental promotions, and Rajasthan state service allowances (DA, HRA, Medical & NPS/Pension)
- District, Secretariat, Directorate and sub-divisional field postings across Rajasthan
Quick facts
- Conducting body
- Rajasthan Staff Selection Board (RSSB / RSMSSB)
- Frequency
- Conducted regularly against departmental engineering requisitions
- Exam mode
- Offline (OMR / Conventional) or Online (CBT) examination
- Languages
- Hindi and English
- Stages & papers
- 3 stages (2 papers total)
- Negative marking
- One-third (0.33) or one-fourth (0.25) of a mark deducted per wrong objective answer
- Official website
- rssb.rajasthan.gov.in
Rajasthan Lab Assistant — Key Highlights & Official Particulars
Complete snapshot of Rajasthan Lab Assistant conducting authority, frequency, mode, stages, negative marking and official portal.
| Particulars | Details |
|---|---|
| Exam Name | Rajasthan Lab Assistant |
| Conducting Body | Rajasthan Staff Selection Board (RSSB / RSMSSB) |
| Exam Category | State PSC & State Govt |
| Exam Level | State level (Rajasthan) |
| Exam Type & Purpose | Recruitment (Direct Recruitment & Cadre Selection) |
| Exam Frequency | Conducted regularly against departmental engineering requisitions |
| Usual Notification & Exam Window | Written examination 3 to 4 months after application close; interviews (for AE) or document verification (for JE) within 2 months of written result |
| Mode of Application | Online on rssb.rajasthan.gov.in |
| Mode of Examination | Offline (OMR / Conventional) or Online (CBT) examination |
| Medium / Exam Languages | Hindi and English |
| Selection Stages | 3 Stages (2 Papers Total): Paper I: General Studies, State GK & General Aptitude → Paper II: Core Engineering / Technical Discipline → Document Verification |
| Negative Marking | One-third (0.33) or one-fourth (0.25) of a mark deducted per wrong objective answer |
| Selection / Merit Process | Selection is based directly on the written examination marks (no interview for Junior Engineer / Group C technical posts), followed by document verification. |
| Educational Qualification | Three-year Diploma in Engineering or B.E./B.Tech in the relevant branch (or BCA/B.Sc IT/Science for Informatics & Lab Assistant posts) from a recognised institution. |
| Age Limit | 21/18 to 38/40 years for General category, with 3 to 5 years upper-age relaxation for reserved categories of the state. |
| Pay Scale / Salary Structure | Pay Level 6 (typically ₹35,400 – ₹1,12,400 basic pay) plus technical and field allowances |
| Merit Panel Validity | Valid for the notified recruitment cycle and reserve list period |
| Competition Scale | Thousands of B.E./B.Tech and Engineering Diploma holders competing across Civil, Mechanical and Electrical streams |
| Official Website | rssb.rajasthan.gov.in |
Summary for orientation only, last reviewed October 2026. Check eligibility, dates and pattern in the official notification.
Rajasthan Lab Assistant exam schedule, vacancy, fee and online application process
Standard annual cycle and application workflow for Rajasthan Lab Assistant. Confirm exact notification and closing dates on the official RSMSSB Technical website.
| Examination Event | Typical Calendar Window | Cycle / Mode |
|---|---|---|
| Rajasthan Lab Assistant Official Notification & Information Bulletin | Written examination 3 to 4 months after application close; interviews (for AE) or document verification (for JE) within 2 months of written result | Conducted regularly against departmental engineering requisitions |
| Online Registration & Application Fee Window | Typically remains open for 21 to 30 days from the date of notification release | Online Portal |
| Application Form Correction / Edit Window | 2 to 5 days immediately following the close of the online registration window | As Notified |
| Exam City Intimation & Admit Card Release | City slip 10–15 days prior; Hall Ticket / E-Admit Card 4 to 10 days before the exam date | Via Rajasthan Staff Selection Board (RSSB / RSMSSB) |
| Rajasthan Lab Assistant — Paper I: General Studies, State GK & General Aptitude | Written examination 3 to 4 months after application close; interviews (for AE) or document verification (for JE) within 2 months of written result | Offline (OMR / Conventional) or Online (CBT) examination |
| Rajasthan Lab Assistant — Paper II: Core Engineering / Technical Discipline | Typically 6 to 12 weeks after declaration of Stage 1 results | Shortlisted Candidates |
| Provisional Answer Key & Objection Representation Window | Within 3 to 10 days after completion of the objective examination shifts | Online Challenge |
| Final Answer Key, Normalized Result & Merit List / Scorecard | Typically 3 to 6 weeks after conclusion of the examination stage | Merit List PDF / Login |
- Vacancies & Competition
- Thousands of B.E./B.Tech and Engineering Diploma holders competing across Civil, Mechanical and Electrical streams. Exact post-wise, department-wise, and category-wise (UR, EWS, OBC, SC, ST, ESM, PwBD) vacancies are notified in the official Rajasthan Lab Assistant recruitment advertisement published by Rajasthan Staff Selection Board (RSSB / RSMSSB).
- Application Fee & Payment Norms
- Payable online via Debit/Credit Card, UPI, or Net Banking on the Rajasthan Staff Selection Board (RSSB / RSMSSB) portal. Statutory fee concessions or exemptions apply for SC, ST, PwBD, Ex-Servicemen, and eligible female/state-reserved categories as notified in the official Rajasthan Lab Assistant advertisement.
How to apply online for Rajasthan Lab Assistant
One-Time Registration (OTR) & Portal Login
Visit rssb.rajasthan.gov.in and complete your candidate registration using a valid email ID, active mobile number, and Aadhaar / government photo ID details. Online on rssb.rajasthan.gov.in.
Fill Academic, Personal & Exam Centre Preferences
Log in to open the Rajasthan Lab Assistant application form. Enter your qualifying degree/board details, category/reservation status, medium of examination (Hindi and English), and choose 3 to 4 preferred test cities.
Upload Photograph, Signature & Category Certificates
Upload a recent passport-size photograph (in prescribed KB dimensions and light background), scanned running-hand signature, and valid SC/ST/OBC-NCL/EWS/PwBD/Domicile certificates where applicable.
Online Application Fee Payment & Confirmation Page
Pay the category-wise examination fee via UPI, Net Banking, Debit/Credit Card, or e-Challan before the closing deadline, then download and preserve the final Rajasthan Lab Assistant Confirmation Page / Application PDF for admit card and verification stages.
Rajasthan Lab Assistant eligibility criteria and age relaxation
Candidates applying for Rajasthan Lab Assistant must fulfil the academic qualification, age limit, nationality and category reservation rules notified by RSMSSB Technical.
Educational qualification
Three-year Diploma in Engineering or B.E./B.Tech in the relevant branch (or BCA/B.Sc IT/Science for Informatics & Lab Assistant posts) from a recognised institution.
Age limit & relaxations
21/18 to 38/40 years for General category, with 3 to 5 years upper-age relaxation for reserved categories of the state.
Number of attempts
No limit on attempts within the prescribed age limit.
Nationality & domicile
Citizen of India.
Other conditions & standards
Department allocation (PWD, Water Resources, PHED, Panchayati Raj) is based on combined merit and branch-specific preferences.
Rajasthan Lab Assistant — Category-Wise Upper Age Relaxation & Reservation Norms
| Category | Age Relaxation / Rule | Key Conditions & Documentation |
|---|---|---|
| Scheduled Caste (SC) / Scheduled Tribe (ST) (Rajasthan Domicile) | +5 Years above prescribed upper age limit | Requires valid Rajasthan permanent domicile and caste certificate issued by the competent revenue authority. |
| Other Backward Classes — Non-Creamy Layer (OBC-NCL) (Rajasthan Domicile) | +3 Years above prescribed upper age limit | Candidate must fall outside the Creamy Layer as on the crucial closing date of the online application. |
| Persons with Benchmark Disabilities (PwBD — UR / OBC / SC-ST) | +10 Years (UR) / +13 Years (OBC) / +15 Years (SC/ST) | Subject to post suitability and 40%+ benchmark disability certificate under the RPwD Act, 2016. |
| Ex-Servicemen (ESM) & Commissioned Officers (ECO / SSCO) | +3 to 5 Years after deducting military service rendered from actual age | Must produce discharge book / NOC from the competent defence authority at document verification. |
| State Government Employees / Women / Departmental Candidates (Rajasthan) | Up to +5 Years as per state service recruitment rules | Applicable to regular Rajasthan state government servants and horizontal reservation categories notified in the advertisement. |
Rajasthan Lab Assistant selection process and exam pattern
Negative Marking & Evaluation Rule: One-third (0.33) or one-fourth (0.25) of a mark deducted per wrong objective answer. Selection & Merit Weightage: Selection is based directly on the written examination marks (no interview for Junior Engineer / Group C technical posts), followed by document verification.
Stage 1: Paper I: General Studies, State GK & General Aptitude
Objective MCQ (OMR or CBT) • 1 Paper (General Studies, Rajasthan GK, Aptitude & Language) • Questions: 50 to 100 • Marks: 100 to 150 • Duration: 1.5 to 2 hours • Evaluates Rajasthan History, Geography, Economy, Current Affairs, Reasoning, Numerical Aptitude and Language (Hindi/English).
Evaluates Rajasthan History, Geography, Economy, Current Affairs, Reasoning, Numerical Aptitude and Language (Hindi/English).
Paper / Section Questions Marks Duration General Studies, Rajasthan GK, Aptitude & Language 50 to 100 100 to 150 1.5 to 2 hours Stage 2: Paper II: Core Engineering / Technical Discipline
Objective MCQ (and Conventional paper in select AE exams) • 1 Paper (Technical Discipline Paper I & II (Civil / Mechanical / Electrical / Relevant Stream)) • Questions: 100 to 200 • Marks: 200 to 500 • Duration: 2 to 4 hours • Tests in-depth technical concepts, design codes, numerical problems and practical field applications in Civil, Mechanical, Electrical or IT/Lab domain.
Tests in-depth technical concepts, design codes, numerical problems and practical field applications in Civil, Mechanical, Electrical or IT/Lab domain.
Paper / Section Questions Marks Duration Technical Discipline Paper I & II (Civil / Mechanical / Electrical / Relevant Stream)Carries the highest weightage in final merit 100 to 200 200 to 500 2 to 4 hours Stage 3: Document Verification
In person • Verification of engineering degree/diploma certificates, branch eligibility and category documents prior to department allotment.
Verification of engineering degree/diploma certificates, branch eligibility and category documents prior to department allotment.
Rajasthan Lab Assistant subject-wise syllabus and study material
SmartRank organizes chapter-wise study notes for every subject below in 12 languages, with an AI Tutor on hand for doubts. Start exploring for free, and unlock the complete syllabus with Learn or SmartRank Pass.
Civil Engineering (for Civil Stream) — Part I (Building Materials, Construction Technology, Estimating)
- Building Materials, Construction Technology, Estimating, Costing and Valuation
- Strength of Materials, Structural Analysis, RCC (IS 456) and Steel Design (IS 800)
- Soil Mechanics, Foundation Engineering and Surveying
Civil Engineering (for Civil Stream) — Part II (Fluid Mechanics, Hydrology, Irrigation Engineering)
- Fluid Mechanics, Hydrology, Irrigation Engineering and Highway/Transportation Engineering
- Environmental Engineering: water supply, sewage treatment and solid waste management
Mechanical & Electrical Engineering (for Mech/EE Streams)
- Thermodynamics, IC Engines, Refrigeration & Air Conditioning, Heat Transfer and Fluid Machinery
- Theory of Machines, Machine Design, Manufacturing Processes and Industrial Engineering
- Electric Circuits, Electromagnetic Fields, Electrical Machines (Transformers, Motors, Generators)
- Power Systems (generation, transmission, protection), Control Systems and Power Electronics
Rajasthan General Knowledge, History, Geography and Economy — Part I (Kalibangan, Ahar, Ganeshwar, Balathal and)
- Kalibangan, Ahar, Ganeshwar, Balathal and Bairath civilizations; Gurjara-Pratiharas, Guhilas/Sisodias of Mewar (Rana Kumbha, Rana Sanga, Maharana Pratap), Rathores of Marwar & Bikaner, Kachhwahas of Amer/Jaipur, Chauhans of Sambhar/Ajmer/Ranthambore (Prithviraj Chauhan) and Bhatis of Jaisalmer
- Praja Mandal movements across princely states and 7-stage integration of Rajasthan (1948 to 1 November 1956)
- Four physical divisions: Western Sandy Plains (Thar Desert), Aravalli Range (Guru Shikhar 1722m), Eastern Plains and South-Eastern Hadoti Plateau
- Chambal, Banas, Luni, Mahi, Sabarmati and Banganga river systems; Sambhar, Didwana, Pachpadra (saltwater) and Pichola, Fateh Sagar, Jaisamand, Rajsamand, Pushkar, Ana Sagar (freshwater) lakes
Rajasthan General Knowledge, History, Geography and Economy — Part II (Largest producer of mustard, bajra)
- Largest producer of mustard, bajra (pearl millet), guar, cumin, coriander, isabgol and wool; camel and livestock economy
- gems & jewellery (Jaipur), textiles (Bhilwara, Pali, Balotra), marble/ceramics (Kishangarh, Morbi-link) and handicrafts (Blue Pottery, Bagru/Sanganeri print,Thewa, Molela)
- Rajasthan Legislative Assembly (200 seats), Rajasthan High Court at Jodhpur (Jaipur Bench) and Panchayati Raj pioneer (Nagaur, 2 October 1959)
- Schools of painting: Mewar (Chawand, Nathdwara Pichwai), Marwar (Kishangarh Bani Thani), Hadoti (Bundi, Kota) and Dhundhar (Amer, Shekhawati frescoes)
General Studies and Current Affairs — Part I (Indian History and the National Movement)
- Indian History and the National Movement
- Indian Polity, Constitution and Governance
- Indian and World Geography
- Indian Economy, Planning and Fiscal Policy
General Studies and Current Affairs — Part II (General Science and Everyday Technology)
- General Science and Everyday Technology
- Environment, Ecology and Biodiversity
- National and State Current Affairs (last 12 months)
Quantitative Aptitude, Reasoning and Mental Ability
- Number system, simplification, HCF and LCM
- Percentage, profit and loss, simple and compound interest
- Ratio, proportion, averages, time and work, time and distance
- Data interpretation: tables, bar charts and pie charts
- Verbal and non-verbal reasoning: series, coding-decoding, syllogism
- Analytical reasoning, blood relations, direction sense and puzzles
Rajasthan Lab Assistant salary, pay scale, job profile & career growth
Pay Level 6 (typically ₹35,400 – ₹1,12,400 basic pay) plus technical and field allowances. Appointments under Rajasthan Staff Selection Board (RSSB / RSMSSB) carry structured pay progression, statutory allowances, and time-bound departmental promotions.
Pay Scale & Grade Structure
Pay Level 6 (typically ₹35,400 – ₹1,12,400 basic pay) plus technical and field allowances.
Appointing / Cadre Authority
Rajasthan Staff Selection Board (RSSB / RSMSSB) (Rajasthan State Government Service)
Allowances & Perks
Dearness Allowance (DA), HRA (by city classification), Medical Allowance, TA, and Rajasthan NPS / Pension benefits.
Probation & Training
Initial probation period (typically 1 to 2 years) with induction/foundation training before cadre confirmation.
Allowances, Perks & Service Benefits
- Dearness Allowance (DA) revised bi-annually in line with Consumer Price Index (AICPI)
- House Rent Allowance (HRA) or official government quarters / leased accommodation
- Transport Allowance (TA), Leave Travel Concession (LTC), and Children Education Allowance
- Comprehensive medical care (CGHS / ECHS / State Health Scheme) for employee and dependents
- National Pension System (NPS) employer contribution, gratuity, and paid maternity/paternity/study leave
Promotion Hierarchy & Career Progression
- Entry-Level Cadre Appointment (Post allotment & induction training under Rajasthan Staff Selection Board (RSSB / RSMSSB))
- Senior / Higher Grade Scale via Time-Bound Financial Upgradation (MACP / Dynamic ACP)
- Sectional / Supervisory / Inspector / Assistant Executive Cadre via Departmental Promotion Committee (DPC) or LDCE
- Middle Management / Gazetted / Divisional Officer Scale
- Senior Administrative / Directorate / Executive Leadership Cadre
Rajasthan Lab Assistant cut-off trends, score normalization and safe target score
Rajasthan Staff Selection Board (RSSB / RSMSSB) releases stage-wise and category-wise Rajasthan Lab Assistant cut-off marks at each stage (Prelims/Tier-I shortlisting, Mains/Tier-II evaluation, and Final Merit List). Candidates must clear both minimum qualifying standards and overall/sectional merit cut-offs to advance.
Rajasthan Lab Assistant — Qualifying Standards & Safe Target Benchmarks
| Category | Qualifying Floor / Standard | Recommended Safe Target |
|---|---|---|
| General / Unreserved (UR) | 30% to 40% Minimum Qualifying Floor | 72% to 82% of Total Marks (95+ Percentile in Mock Tests) |
| General — Economically Weaker Section (GEN-EWS) | 25% to 35% Minimum Qualifying Floor | 68% to 78% of Total Marks |
| Other Backward Classes (OBC-NCL) | 25% to 35% Minimum Qualifying Floor | 68% to 78% of Total Marks |
| Scheduled Caste (SC) / Scheduled Tribe (ST) / PwBD | 20% to 30% Minimum Qualifying Floor | 58% to 70% of Total Marks |
Score Normalization & Marking Impact
When Rajasthan Lab Assistant is conducted across multiple shifts or sessions, Rajasthan Staff Selection Board (RSSB / RSMSSB) applies standard score normalization (Equi-Percentile or Mean-Standard Deviation method) to account for any variation in paper difficulty across shifts. Because raw marks are governed by one-third (0.33) or one-fourth (0.25) of a mark deducted per wrong objective answer, maintaining high accuracy (85%+) significantly boosts your normalized score.
Factors Determining Rajasthan Lab Assistant Cut-Off
- Total number of notified vacancies / available seats across Rajasthan cadres and institutions
- Total number of registered vs actual appearing candidates in the Rajasthan Lab Assistant cycle
- Relative difficulty level of the question paper (and shift-wise variation in multi-shift CBT exams)
- Category-wise vertical (UR, EWS, OBC-NCL, SC, ST) and horizontal (PwBD, ESM, Women) reservation ratios
- Previous year cut-off trajectory and candidate score distribution at the top percentiles
Rajasthan Lab Assistant admit card, answer key and result guide
City slip 10–15 days prior • Admit Card 4–10 days before exam
Rajasthan Lab Assistant Exam City Intimation & Admit Card
Rajasthan Staff Selection Board (RSSB / RSMSSB) releases the advance Exam City Intimation Slip followed by the official Rajasthan Lab Assistant Hall Ticket / e-Admit Card on rssb.rajasthan.gov.in. No hard copy is sent by post; candidates must log in with their Registration Number and Date of Birth / Password to download it.
- Clear A4 printout of the Rajasthan Lab Assistant e-Admit Card with visible barcode and photograph
- Original valid Government Photo ID (Aadhaar Card, Passport, Voter ID, Driving Licence, or PAN Card)
- 2 recent passport-size photographs matching the image uploaded in the online application
- PwBD / Scribe certificate and undertaking (if availing compensatory time or scribe facility)
Within 3–10 days after the examination
Rajasthan Lab Assistant Provisional Answer Key & Objection Window
After conclusion of the objective test, Rajasthan Staff Selection Board (RSSB / RSMSSB) uploads the candidate response sheet and Provisional Answer Key on rssb.rajasthan.gov.in. Candidates can calculate their raw score and submit online representations against any ambiguous question or key discrepancy within the stipulated 48–72 hour window.
- Download your recorded Response Sheet PDF and match Question IDs with the Master Answer Key
- Calculate raw score using the official positive and negative marking formula
- Attach standard textbook / NCERT / official gazette proof if challenging any provisional key
- Review the Final Answer Key published after subject-expert scrutiny of all representations
3–6 weeks after stage completion
Rajasthan Lab Assistant Result, Scorecard & Merit List / Counselling
Rajasthan Staff Selection Board (RSSB / RSMSSB) declares the Rajasthan Lab Assistant result as a stage-wise Merit List PDF (with roll numbers and category cut-offs) and individual Normalized Scorecards on rssb.rajasthan.gov.in. Shortlisted candidates proceed to the next stage, Document Verification, or Centralised Counselling.
- Download and save your official Rajasthan Lab Assistant Scorecard / Rank Letter PDF immediately upon release
- Verify category-wise and sectional cut-off marks in the official result write-up notice
- Keep original matriculation, degree, caste/EWS, and domicile certificates ready for verification
- Track reserve list / multi-round seat allotment updates on the official website
Rajasthan Lab Assistant mock tests
Practice in the official Rajasthan Lab Assistant pattern on the Free plan, and unlock 10 full or sectional mocks every month, unlimited chapter and topic tests, and the CBT Exam Simulator with SmartRank Pass.
- Start freeFREE
Rajasthan Lab Assistant Full Mock Test 1
Paper I: General Studies, State GK & General Aptitude · 50 to 100 questions · 1.5 to 2 hours
- Start freeFREE
Rajasthan Lab Assistant Full Mock Test 2
Paper I: General Studies, State GK & General Aptitude · 50 to 100 questions · 1.5 to 2 hours
- Unlock with SmartRank PassPASS
Rajasthan Lab Assistant Full Mock Test 3
Paper I: General Studies, State GK & General Aptitude · 50 to 100 questions · 1.5 to 2 hours
- Unlock with SmartRank PassPASS
Rajasthan Lab Assistant Full Mock Test 4
Paper I: General Studies, State GK & General Aptitude · 50 to 100 questions · 1.5 to 2 hours
- Unlock with SmartRank PassPASS
Rajasthan Lab Assistant Full Mock Test 5
Paper I: General Studies, State GK & General Aptitude · 50 to 100 questions · 1.5 to 2 hours
Rajasthan Lab Assistant previous year papers
Papers come with a solution for every question. Read them, or attempt them as timed tests. See all Rajasthan Lab Assistant previous year papers by year
- Explore freeFREE
Recent Rajasthan Lab Assistant question papers
Included on the Free plan with step-by-step solutions
- Unlock with SmartRank PassPASS
Complete 10-year Rajasthan Lab Assistant paper archive
Up to 10 years of solved papers with SmartRank Pass (4 years with Learn)
- Unlock with SmartRank PassPASS
Predicted questions for Rajasthan Lab Assistant
High-probability questions and topics for your next exam
How to prepare for Rajasthan Lab Assistant
- Solve previous year UPSC ESE Prelims, SSC JE and state AE/JE technical papers, as 60%–70% of standard design-code and formula questions follow recurring patterns.
- Memorize key IS code provisions (IS 456, IS 800, IS 10500, IRC codes) and direct formulas for quick problem solving without a calculator.
- Dedicate 1 hour daily to Rajasthan GK and General Studies—many strong engineers miss top departments like PWD because they ignore the non-technical paper.
- Keep a formula handbook for every technical subject and revise it every weekend.
- Practice full-length mock tests to build speed on numerical questions that must be solved manually.
- Read the official Rajasthan Lab Assistant notification carefully for the exact pattern, eligibility and selection stages.
Rajasthan Lab Assistant FAQs
What is the qualification required for Rajasthan Lab Assistant?
A 3-year Engineering Diploma or B.E./B.Tech degree in the relevant discipline is required.
Are calculators allowed in Rajasthan Lab Assistant?
In objective OMR/CBT papers, calculators are not permitted; questions are designed to be solved using standard approximations and direct formulas.
Is there an interview in Rajasthan Lab Assistant?
No, Rajasthan Lab Assistant is a Group C technical recruitment where selection is based directly on written examination marks.
Which branch has the highest number of vacancies in Rajasthan Lab Assistant?
Civil Engineering typically accounts for the largest share of vacancies across PWD, Irrigation, PHED and Rural Engineering departments, followed by Mechanical, Electrical and Agricultural/IT streams.
How important is the non-technical GS paper in Rajasthan Lab Assistant?
Very important. The General Studies and Rajasthan GK section accounts for 20% to 35% of the total written marks and often decides the cut-off for top engineering departments.
What is the selection process and exam pattern for Rajasthan Lab Assistant?
Rajasthan Lab Assistant is conducted by Rajasthan Staff Selection Board (RSSB / RSMSSB) across 3 stages: Paper I: General Studies, State GK & General Aptitude → Paper II: Core Engineering / Technical Discipline → Document Verification. Selection is based directly on the written examination marks (no interview for Junior Engineer / Group C technical posts), followed by document verification.
What is the age limit and educational qualification for Rajasthan Lab Assistant?
Educational Qualification: Three-year Diploma in Engineering or B.E./B.Tech in the relevant branch (or BCA/B.Sc IT/Science for Informatics & Lab Assistant posts) from a recognised institution. Age Limit: 21/18 to 38/40 years for General category, with 3 to 5 years upper-age relaxation for reserved categories of the state.
Is there negative marking in the Rajasthan Lab Assistant exam?
Yes — One-third (0.33) or one-fourth (0.25) of a mark deducted per wrong objective answer. Candidates should use a two-pass attempt strategy during mock tests to keep accuracy above 85% and minimise negative marking deductions.
What is the salary and job profile after clearing Rajasthan Lab Assistant?
Pay Level 6 (typically ₹35,400 – ₹1,12,400 basic pay) plus technical and field allowances.
When is the Rajasthan Lab Assistant notification released and how can I apply online?
Rajasthan Lab Assistant is held conducted regularly against departmental engineering requisitions (Written examination 3 to 4 months after application close; interviews (for AE) or document verification (for JE) within 2 months of written result). Online on rssb.rajasthan.gov.in.
How can I prepare for Rajasthan Lab Assistant on SmartRank?
Select Rajasthan Lab Assistant as your target exam on SmartRank to get chapter-by-chapter study material built around its syllabus covering Civil Engineering (for Civil Stream), Mechanical & Electrical Engineering (for Mech/EE Streams), Rajasthan General Knowledge, History, Geography and Economy, General Studies and Current Affairs, solved previous year question papers, topic and full-length mock tests in the exact Rajasthan Lab Assistant pattern, a timed exam simulator, subject-wise analytics, an adaptive daily study plan and an AI Tutor.