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RSMSSB (Rajasthan Staff Selection Board)
RSMSSB Prayogshala Sahayak — Laboratory Assistant Recruitment
Your gateway to 804 Lab Assistant & Junior Lab Assistant government jobs in Rajasthan
Conducting Body
RSMSSB
Exam Level
State Level
Total Vacancies
804
Eligibility
12th Pass (Science)
Total Marks
400
Negative Marking
Yes (−0.33)
Total Questions
200 (2 Papers)
Duration
4 Hours (2+2)
Mode
Offline (OMR)
Salary
₹5,000–₹20,200
RSMSSB Prayogshala Sahayak — Laboratory Assistant Recruitment — Exam Scheme
Total Questions
200
Total Marks
400
Duration
4 Hours (2 Hours per Paper)
Negative Marking
Yes — 0.33 marks deducted per wrong answer
Question Type
Objective Type (MCQs) — 5 options per question (A, B, C, D, E)
Language
Hindi & English (Bilingual)
| Subject | Questions | Marks |
|---|---|---|
| Paper I — General Knowledge (Rajasthan History, Culture, Geography, Current Affairs, Educational Psychology) | 100 | 200 |
| Paper II — General Science (Physics, Chemistry, Biology) / Geography | 100 | 200 |
| Total | 200 | 400 |
Subject-wise topics for Lab Assistant exam
18 – 40 years (relaxation: +5 years for SC/ST/OBC/BC male, +5 years for General female, +10 years for SC/ST/OBC/BC female)
Must have passed Senior Secondary (12th) in Science stream from a recognized board. Knowledge of Hindi and Rajasthani culture is required.
Indian citizen. Domicile of Rajasthan preferred.
No limit on number of attempts (subject to age limit)
Lab Assistant exam schedule (latest cycle)
| Event | Date |
|---|---|
| Notification Release | 24th January 2026 |
| Application Start | 27th January 2026 |
| Application Last Date | 25th February 2026 |
| Admit Card Release | May 2026 (before exam) |
| Exam — Geography | 9th May 2026 (11 AM – 2 PM) |
| Exam — Science | 10th May 2026 (Paper I: 10 AM–12 PM, Paper II: 3–5 PM) |
| Answer Key | May 2026 (after exam) |
| Result | Expected June–July 2026 |
Total expected vacancies: 804
Lab Assistant (Science)
Dept. of Secondary Education — 500 posts
Lab Assistant (Geography)
Dept. of Secondary Education
Junior Lab Assistant (Science)
Agriculture Department — 32 posts
Senior Assistant
Sanskrit Education Dept. — 17 posts
Senior Assistant
Science Promotion Dept. — 31 posts
Junior Engineer Assistant
Public Health Engineering — 15 posts
Senior Assistant (Ayurvedic)
Ayurvedic College Education — 136 posts
Step-by-step online application process
Visit the RSMSSB official portal (rsmssb.rajasthan.gov.in) and login via Rajasthan SSO portal.
Register if not already done — complete One Time Registration (OTR) and E-KYC.
Select the Lab Assistant recruitment advertisement from the Citizen Apps (G2C) section.
Fill the application form with personal, educational and category details.
Upload required documents — photo, signature, certificates in the specified format.
Pay the application fee online (Net banking / Credit / Debit card) and submit. Keep printout for reference.
| Category | Fee |
|---|---|
| General / OBC (Creamy Layer) | ₹600 |
| OBC-NCL / EBC / EWS (Rajasthan) | ₹400 |
| SC / ST / PwD (Rajasthan) | ₹400 |
| Year | General | OBC | SC | ST |
|---|---|---|---|---|
| 2026 | Exam on May 9–10 | — | — | — |
| 2022 | Expected: 260+ | Expected: 240+ | Expected: 220+ | Expected: 210+ |
Expert tips to crack the exam
Start with NCERT Science books (Class 9–12) — they form the foundation for Paper II Physics, Chemistry and Biology.
Rajasthan GK carries 200 marks in Paper I — focus on History (dynasties, forts, movements), Geography (rivers, minerals, climate) and Culture.
Read a Hindi newspaper daily (Rajasthan Patrika / Dainik Bhaskar) for Current Affairs and Hindi practice.
There IS negative marking (−0.33 per wrong answer) — avoid random guessing. Mark 'E' for questions you're unsure about.
Practice previous year papers and mock tests regularly — the new 5-option format requires extra practice.
For Physics, focus on Optics, Electrostatics and Thermodynamics — these are high-weightage topics.
For Chemistry, master Periodic Table, Chemical Equilibrium and Organic Chemistry nomenclature.
Join our free mock test series to practice under real exam conditions with instant scoring and analysis.
NCERT Science Books (Class 9–12)
NCERT
Lucent General Knowledge
Lucent Publication
Rajasthan GK by Laxminarayan Nathuramka
Lakshya Publication
Rajasthan Samanya Gyan
Arihant Publication
Lab Assistant Previous Year Papers
Various Publishers
Objective Physics by DC Pandey
Arihant
Objective Chemistry by Arihant
Arihant Publication
Boost your preparation with past exam papers
Get familiar with the question format, marking scheme, and difficulty level by studying actual past papers.
Practice solving papers within the official time limit to build speed and accuracy for the real exam.
Spot frequently asked topics and high-weightage subjects to focus your preparation where it matters most.
Completing real exam papers builds familiarity and reduces anxiety, so you walk into the exam hall prepared.
Compare scores across multiple papers to see how your preparation is improving over time.
Review wrong answers from past papers to identify weak areas and turn them into strengths before the exam.
We are collecting and organizing Lab Assistant previous year question papers from 2022, 2023 & 2024. Papers will be available for free download in PDF format with answer keys.
Stay tuned — papers will be uploaded shortly!
Practice with 15 mock tests — all 15 are FREE.100 questions, 120 minutes, real exam pattern.
Start practicing with free mock tests now.