RSSB Lab Assistant Answer Key 2026

The RSSB (Rajasthan Subordinate and Ministerial Services Selection Board) Lab Assistant recruitment 2026 is conducted to fill Laboratory Assistant positions in various government departments across Rajasthan. Candidates with ITI qualifications in relevant trades are eligible to apply for this technical position. The recruitment process includes a written examination followed by document verification. Selected candidates will be posted in government laboratories, medical institutions, and technical departments across Rajasthan. This is a state-level recruitment offering stable government employment with standard pay scales and benefits. The answer key for the written examination is released on the official RSSB website for candidate verification and objection filing.

Important Dates

Vacancy Breakdown (Typical / Indicative)

Educational Qualification

• ITI (Industrial Training Institute) certificate in relevant trades such as Laboratory Assistant, Chemical Plant Operator, Medical Laboratory Technology, or equivalent technical qualification from a recognized institute
• The ITI certificate must be recognized by NCVT (National Council for Vocational Training) or SCVT (State Council for Vocational Training)
• Candidates must have completed the ITI course before the application deadline

Age Limit

Typical / Indicative Age Criteria:

Age Relaxation:

Nationality

• Candidate must be a citizen of India
• For Rajasthan state cadre positions, domicile of Rajasthan is required

Application Process

1. Visit the official RSSB website at rsmssb.rajasthan.gov.in or rssb.rajasthan.gov.in
2. Click on the 'Lab Assistant Recruitment 2026' notification link on the homepage
3. Read the official notification thoroughly and check eligibility criteria
4. Click on 'Apply Online' or 'New Registration' button
5. Complete the registration by providing basic details like name, father's name, date of birth, and contact information
6. Note down the Registration Number and Password generated
7. Login using Registration credentials and fill the complete application form with personal, educational, and other required details
8. Upload scanned copies of recent passport-size photograph (10-50 KB, JPG format) and signature (5-20 KB, JPG format)
9. Upload required documents such as ITI certificate, category certificate, domicile certificate as per specifications
10. Pay the application fee through online mode (Debit Card/Credit Card/Net Banking) or offline mode (e-Mitra/Challan)
11. Submit the application form and save the confirmation page
12. Take a printout of the submitted application form for future reference

Application Fees (Typical / Indicative)

Fee includes examination fee and portal charges

Selection Process

1. Written Examination (Objective Type): A computer-based or offline objective type written exam covering General Knowledge, Reasoning, Mathematics, General Science, and subject-specific technical knowledge related to Laboratory Assistant trade. This is the main selection criterion.

1. Document Verification: Candidates who qualify the written examination based on merit and cutoff marks are called for document verification. Original certificates related to age, educational qualification, category, domicile, and other claimed details are verified.

1. Medical Examination: Shortlisted candidates undergo medical fitness examination to ensure they meet the required health standards for the Laboratory Assistant position. Medical certificate from authorized medical board is required.

1. Final Merit List: Final selection is based on marks obtained in the written examination. Merit list is prepared category-wise, and candidates are allocated posts based on their rank and preference of department/location.

Written Examination Pattern (Typical / Indicative)

Main Examination

Negative Marking: 1/4th mark (0.25 marks) will be deducted for each wrong answer.

Exam Mode: Offline/Online OMR-based or Computer-Based Test (CBT) as decided by RSSB.

Qualifying Marks: Minimum qualifying marks are typically 40% for General/EWS, 36% for OBC, and 33% for SC/ST/PwBD categories.

Detailed Syllabus

General Knowledge (Rajasthan)

• History of Rajasthan: major dynasties, freedom movement, key historical events
• Geography of Rajasthan: rivers, lakes, deserts, climate, minerals, agriculture
• Rajasthan culture: folk dances, music, festivals, traditions, handicrafts
• Rajasthan polity and administration: governance structure, important schemes
• Current affairs related to Rajasthan state
• Important personalities and their contributions to Rajasthan

General Knowledge (India)

• Indian history: ancient, medieval, and modern India, freedom struggle
• Indian geography: physical features, rivers, climate, natural resources
• Indian polity and constitution: fundamental rights, duties, directive principles, governance
• Indian economy: planning, budget, banking, taxation, major economic reforms
• General science and technology developments in India
• National and international current affairs

Reasoning & Mental Ability

• Analogies and similarities
• Differences and classifications
• Series completion (number, letter, figure)
• Coding and decoding
• Blood relations
• Direction sense and distance
• Logical Venn diagrams
• Alphabet and number tests
• Mathematical operations and puzzle solving

General Science

• Physics: units and measurements, motion, force, energy, electricity, magnetism, light, sound
• Chemistry: matter and its states, atoms and molecules, chemical reactions, acids-bases-salts, metals and non-metals
• Biology: cell structure, human body systems, diseases, nutrition, genetics, ecology, biodiversity
• Environmental science and ecology

Mathematics

• Number system and simplification
• Fractions, decimals, percentages
• Ratio and proportion
• Average, profit and loss, discount
• Simple and compound interest
• Time and work, time and distance
• Mensuration: area and volume of geometric figures
• Basic algebra and linear equations
• Data interpretation: tables, graphs, charts

Technical Knowledge (Laboratory Assistant)

• Laboratory safety rules and precautions
• Laboratory equipment and apparatus handling
• Measurement techniques and instruments
• Chemical handling, storage, and disposal
• pH measurement and titration methods
• Microscopy and specimen preparation
• Sterilization and disinfection techniques
• First aid and emergency procedures in laboratory
• Quality control and record maintenance
• ITI trade-specific technical knowledge based on candidate's specialization
• Medical laboratory tests and procedures (if applicable)
• Laboratory waste management

Salary Structure (Typical / Indicative)

Additional Benefits:

• Medical facilities for self and family
• Leave Travel Concession (LTC)
• Pension and retirement benefits
• Annual increment of approximately 3%
• Provident Fund and Gratuity

Laboratory Assistants in Rajasthan government service have good career progression opportunities through departmental promotions and competitive exams. With experience and good performance, they can be promoted to Senior Laboratory Assistant, Laboratory Supervisor, and eventually to Laboratory Technician or Assistant positions in higher pay scales. Additional qualifications like B.Sc. or specialized diplomas can further enhance promotion prospects and eligibility for higher technical positions in government laboratories and research institutions.

The RSSB Lab Assistant admit card is typically released 10-15 days before the examination date on the official website. Candidates must login to the RSSB portal using their registration number and password or date of birth to download the admit card. The admit card contains important details like exam date, time, venue, reporting time, candidate photograph, signature, and important instructions that must be followed on exam day.

The RSSB Lab Assistant result is declared in multiple stages - first the answer key is released for candidate objections, followed by the provisional result, and finally the official result with merit list. Results are published on the official RSSB website within 4-6 weeks after the examination. Candidates can check their result by entering registration number and date of birth, and download the scorecard showing marks obtained, cutoff marks, and qualifying status.

The RSSB Lab Assistant cutoff marks vary each year depending on factors like number of vacancies, difficulty level of exam, and number of candidates. Typically, the cutoff ranges from 45-55% for General category, 40-50% for OBC, 35-45% for SC/ST categories. Category-wise and post-wise cutoff lists are published along with the final result, showing minimum qualifying marks required for document verification call.

Examination Centres

Rajasthan State: Jaipur, Jodhpur, Kota, Ajmer, Udaipur, Bikaner, Alwar, Bharatpur, Bhilwara, Sikar, Pali, Tonk, Barmer, Chittorgarh, Hanumangarh, Sri Ganganagar, Jhunjhunu, Dausa, Sawai Madhopur, Dungarpur, Pratapgarh, Banswara, Bundi, Jhalawar, Nagaur, Churu, Karauli, Dholpur, Sirohi, Jaisalmer, Rajsamand

Note: RSSB primarily conducts examinations within Rajasthan state. Candidates can select their preferred exam city from available centres during application process.