Bihar Technical Services Commission (BTSC) has released Advt No. 02 to 13/2026 for 1091 Laboratory Assistant posts. Online applications started 6 April 2026 and will close 6 May 2026 at btsc.bihar.gov.in. Diploma/B.Tech in relevant trade eligible.
Bihar Technical Services Commission (BTSC)BTSC Laboratory Assistant Syllabus Details 2026Advt No – 02 to 13/2026 | Short Details of NotificationWWW.GOVFORMHUB.COM |

Selection Process
- Computer Based Test (CBT).
- Work Experience (25% weightage).
- Document Verification.
- Medical Examination.
Final merit is prepared on the basis of CBT marks (75%) + Work Experience (25%).
Syllabus PDF & Practice Set – Whatsapp Channel Join
Exam Pattern
| Section | Questions | Marks | Focus |
|---|---|---|---|
| Part A — Technical / Subject Knowledge | 75 | 75 | Lab‑related discipline (Physics/Chemistry/Biology/IT/Engineering) |
| Part B — General Studies / Aptitude | 25 | 25 | General Knowledge, Reasoning, Elementary Mathematics, English/Hindi |
| Total | 100 | 100 | 120 Minutes |
- Question Type: MCQ.
- Marking: +1 for each correct answer, 0.25 negative marking for each wrong answer.
Detailed Syllabus
Part A — Technical / Subject Knowledge (75 Marks)
BTSC syllabus is based on class 12th + Diploma‑level topics in Physics, Chemistry, and Biology, with specialization depending on the lab post (Science, CS, Electrical, Mechanical, Civil, etc.).
Physics (common base for Science lab posts)
- Units & Measurements.
- Motion (Kinematics).
- Laws of Motion.
- Work, Energy, and Power.
- Gravitation.
- Properties of Matter.
- Oscillations and Waves.
- Thermodynamics.
- Optics (Reflection & Refraction).
- Electricity & Magnetism.
- Modern Physics (Atoms, Nuclei).
Chemistry (common base for Science lab posts)
- Basic Concepts of Chemistry.
- Structure of Atom.
- Periodic Table & Periodicity.
- Chemical Bonding.
- States of Matter.
- Thermodynamics (Chemistry).
- Equilibrium.
- Redox Reactions.
- Environmental Chemistry.
- Organic Chemistry Basics.
Biology (for Science & Biotech‑related lab posts)
- Cell Structure & Function.
- Biomolecules.
- Plant & Human Physiology.
- Genetics & Evolution.
- Reproduction.
- Ecology & Environment.
- Food & Nutrition.
- Human Health.
- Biotechnology basics.
For Engineering‑based Laboratory Posts (IT, CS, Electrical, Mechanical, Civil, etc.)
- Depends on the specific discipline (Diploma‑level fundamentals).
- Examples: Programming basics (for IT/CS), Electrical machines (Electrical), material strength (Mechanical), RCC & estimation (Civil), etc.
- Detailed trade‑wise syllabus is available on the official BTSC website.
BTSC exam pattern split: 75 technical MCQs + 25 general MCQs = 100 questions for 100 marks, 120 minutes, with 0.25 negative marking per wrong answer.
Part B — General Studies / Aptitude (25 Marks)
- General Knowledge & Current Affairs:
- Indian History, Geography, Polity, Economy, Environment & Science & Technology (last 6–12 months focus).
- Reasoning & Mental Ability:
- Analogies, Series, Coding‑Decoding, Blood Relations, Directions, Syllogism, Puzzles, Non‑verbal reasoning.
- Elementary Mathematics:
- Number System, Percentage, Ratio & Proportion, Average, Time & Work, Time‑Speed‑Distance, Profit & Loss, Simple & Compound Interest, Mensuration basics, Data Interpretation.
- English / Hindi Language (Basic):
- Comprehension, Vocabulary, Synonyms & Antonyms, Error Spotting, Fill in the Blanks, Sentence Improvement.
Preparation Tips
- Focus first on your technical discipline (Physics/Chemistry/Biology or Engineering) because it carries 75 marks and determines your core score.
- Revise class 12th + Diploma‑level important topics; practice MCQs from previous Bihar‑level technical exams.
- Cover General Studies (History, Geography, Polity, Science, Environment) + reasoning + basic maths for the 25‑mark section.
- Prepare a short‑note booklet with key formulas, definitions, and diagrams for quick revision before the exam.
Important Links : BTSC Laboratory Assistant Recruitment 2026
| Apply Online | Click Here |
| Join GovFormhub Channel | Telegram | WhatsApp |
| Official Notification PDF | Download Here |
| Official Website | BTSC |
Students Joined ! Free Updates For Recruitment / Syllabus / Admission / PYP – JOIN NOW
FAQ
| Question | Answer |
|---|---|
| What is the exam pattern? | 75 MCQs from technical/subject knowledge (75 marks) + 25 MCQs from general studies/aptitude (25 marks), total 100 questions, 100 marks, 120 minutes, 0.25 negative marking. |
| What is the weightage of written exam? | 75% of total merit; 25% from work experience. |
| What subjects are included in technical syllabus? | Physics, Chemistry, Biology (for Science lab posts), plus discipline‑specific topics for IT/CS/Electrical/Mechanical/Civil lab posts. |
| Is there negative marking? | Yes, 0.25 mark per wrong answer. |
| What is the official website? | btsc.bihar.gov.in |
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