Bihar BTSC Fishery Extension Officer Recruitment 2026: Apply Online for 231 Posts

The Bihar Technical Service Commission (BTSC), Patna, has released the official recruitment notification (Advertisement No. 28/2026) for the regular appointment of Fishery Extension Officers (मत्स्य प्रसार पदाधिकारी). This recruitment drive is being conducted under the Directorate of Fisheries and its subordinate offices within the Department of Dairy, Fisheries and Animal Resource, Government of Bihar. A total of 231 regular vacancies have been advertised for eligible Indian citizens.This notification provides an opportunity for technical graduates specializing in fisheries science to secure a Gazetted-equivalent Level-7 state government position in Bihar. With the expansion of aquaculture, modern fish hatcheries, and blue economy projects across Bihar's wetlands and rivers, appointed officers will supervise extension schemes, monitor seed hatcheries, and support fish-farming communities.Candidates holding a 4-year Bachelor of Fisheries Science (B.F.Sc.) degree from recognized agricultural universities under ICAR, New Delhi, can submit their online applications from September 24, 2026, to October 23, 2026, through the official portal.Quick Overview Table

Important Dates
Application FeeIn accordance with Bihar General Administration Department Resolution No. 15568 dated 21.08.2025, the application fee must be paid exclusively online:

• Payment Mode: Debit Card, Credit Card, Internet Banking, or UPI.
• Applicable bank convenience fees and transaction taxes will be levied automatically by the payment gateway.

Age Limit (As on 01.08.2026)The minimum and maximum age criteria are calculated as of August 1, 2026.

• Minimum Age: 21 Years
• Maximum Age Limits:

• Unreserved (Male): 37 Years
• Unreserved (Female): 40 Years
• Backward Class (BC) / Extremely Backward Class (EBC) (Male & Female): 40 Years
• Scheduled Caste (SC) / Scheduled Tribe (ST) (Male & Female): 42 Years

Complete Age Relaxation Rules

• Persons with Benchmark Disabilities (PwBD): 10-year relaxation in upper age limit (per GAD Resolution No. 962).
• Regular Bihar State Government Employees: 5-year relaxation for employees who have completed at least 3 years of continuous service (per GAD Resolution No. 2374).
• Contractual Employees (Equivalent Post in Bihar Govt/Semi-Govt): Granted relaxation in maximum age equivalent to the completed period of contractual service.
• Age Relief for Previous Recruitment Gap: Since age was calculated as of 01.08.2020 in the prior recruitment process, candidates who met the age criteria between 01.08.2020 and 01.08.2026 remain eligible, provided all other qualification criteria are met.
• Ex-Servicemen: 3-year relaxation over service period, provided actual age does not exceed 57 years at submission.
• Note: Candidates can avail only one relaxation category offering the highest benefit.

Vacancy DetailsA total of 231 vacancies are allocated across administrative categories, including a 35% horizontal reservation for female residents of Bihar:
Special Horizontal Reservation Quotas

• Divyangjan (PwBD) - 4% Reservation (09 Posts):

• Blindness & Low Vision (VH/VI): 03 Posts
• Deaf & Hard of Hearing (HH): 02 Posts
• Locomotor Disability (OH): 02 Posts
• Mental Illness / Autism / Multiple Disabilities (MH): 02 Posts

• Grandchildren of Freedom Fighters (2% Horizontal Reservation): 04 Posts

Educational QualificationCandidates must satisfy the mandatory academic criteria on or before the closing date of 23.10.2026:

• Mandatory Degree: 4-year Bachelor’s Degree in Fisheries Science (B.F.Sc.) from a College of Fisheries affiliated with an Agricultural University recognized by the Indian Council of Agricultural Research (ICAR), New Delhi.
• Experience Requirement: Fresh graduates can apply; prior experience is optional. However, candidates with relevant contractual experience in Bihar Government or affiliated bodies earn merit weightage points.
• Registration/License: Not mandated unless specifically required by the appointing department during appointment verification.

Salary / Pay Scale

• Pay Level: Pay Level-7
• Salary Structure: ₹44,900 – ₹1,42,400/- under the 7th Central Pay Commission (equivalent to Grade Pay ₹4,600/- under 6th CPC rules).
• Additional Benefits: Dearness Allowance (DA), House Rent Allowance (HRA), Transport Allowance (TA), and Medical Allowances per Bihar Government service norms.

Selection ProcessSelection is conducted on a 100-mark evaluation framework combining a written CBT score and weightage for contractual work experience:


+-------------------------------------------------------------+
| Stage 1: Written Examination |
| (Computer-Based Test of 100 Objective MCQs / 2 Hours) |
| CBT Marks converted to a 75-Mark Weightage Scale |
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|
v
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| Stage 2: Contractual Experience |
| (Up to 25 Marks: 5 marks per full year of verified work) |
+-------------------------------------------------------------+
|
v
+-------------------------------------------------------------+
| Stage 3: Document Verification (DV) |
| (Scrutiny of original certificates & degrees) |
+-------------------------------------------------------------+

Merit List Weightage Breakdown

1. Written Examination (CBT): 75 Marks. Calculated by multiplying the percentage score in the CBT by 0.75 (e.g., scoring 60% yields $60 \times 0.75 = 45$ marks).
2. Contractual Work Experience: Up to 25 Marks. Awarded to candidates employed on an equivalent post on contract under the Bihar Government or non-private institutions within Bihar (5 marks per year of service, calculated proportionally for fractional years).
3. Total Merit Score: 100 Marks.

Exam Pattern
SyllabusThe examination assesses subject-matter competency aligned with the standard ICAR 4-year B.F.Sc. curriculum:

• Aquaculture: Freshwater aquaculture, mariculture, coastal aquaculture, fish nutrition, feed technology, hatchery management, and breeding of cultivable finfish and shellfish.
• Fisheries Resource Management: Taxonomy of fishes, anatomy and physiology, population dynamics, riverine and reservoir fisheries, marine capture fisheries, and biodiversity conservation.
• Aquatic Animal Health Management: Microbial diseases, parasitic infections, pharmacology, immunology, fish pathology, and quarantine protocols.
• Fish Processing Technology: Post-harvest handling, curing, freezing technology, canning, quality assurance, microbiological standards, and value-added fish products.
• Fisheries Engineering & Extension: Pond design, aerators, feed mills, fishing gear and craft technology, extension education methodologies, cooperatives, marketing, and blue economy state schemes.

How to Apply

1. Portal Access: Visit the BTSC portal at www.btsc.bihar.gov.in and locate Advertisement No. 28/2026.
2. Registration: Complete initial registration with your active mobile number and email ID.
3. Fill Candidate Details: Input personal identification, permanent domicile, category details, and 10-digit/12-digit photo identity document details (such as your PAN or other government-approved photo ID).
4. Academic Credentials: Enter the 4-year B.F.Sc. degree details, board/university names, marks obtained, and dates of certificate issuance.
5. Contractual Service Details: Candidates claiming experience must provide certificate numbers issued by the Director/DDF/District Fishery Officer per Annexure-I.
6. Upload Documents: Upload scanned copies of the degree, mark sheets, domicile, caste/NCL certificates, and signature.
7. Live Photo Upload: Upload a front-facing photograph taken within the last 3 months with a plain white background, eyes open, and without spectacles or tinted lenses.
8. Fee Payment: Remit the ₹100 fee online via UPI, net banking, or debit/credit card.
9. Final Submission: Print and store two hard copies of the finalized application form and fee receipt for document verification.

Required Documents Checklist

• Matriculation (10th) Board Certificate & Marksheet (verifying date of birth).
• 4-Year B.F.Sc. Degree Certificate and semester-wise mark sheets.
• Bihar Domicile (Niwas) Certificate (mandatory for availing reservation benefits).
• Non-Creamy Layer (NCL) Certificate for BC/EBC categories issued in father's name.
• Caste Certificate for SC/ST categories issued in father's name.
• Income & Asset Certificate for EWS candidates (valid for current financial year).
• Disability Certificate (Form VI for multiple disabilities) from an authorized medical board.
• Official Salary Payment Certificate in the prescribed format (Annexure-1) for contractual claims.
• Freedom Fighter Grandchildren Certificate issued by the District Magistrate.
• At least 5 identical copies of the passport-size photograph uploaded during registration.

Important Instructions

• Document Issue Deadline: All academic degrees, caste, domicile, and experience certificates must be issued on or before October 23, 2026.
• Domicile Restriction for Reservation: Reservation benefits are strictly restricted to permanent residents of Bihar. Out-of-state applicants are considered under the Unreserved (Open) category.
• Certificates for Married Women: Caste, domicile, and NCL certificates for married female candidates must be issued under their father's name and permanent residential address, not their spouse's.
• No Offline Corrections: Applications cannot be modified after final submission. Ensure all uploaded scans are legible, as blurry documents can lead to cancellation during Document Verification.

Important Links Table
Frequently Asked Questions (FAQs)

Q1: What is the total vacancy count for BTSC Fishery Extension Officer Recruitment 2026?

The recruitment includes 231 regular vacancies for the post of Fishery Extension Officer.

Q2: What is the required educational qualification?

Candidates must possess a 4-year Bachelor of Fisheries Science (B.F.Sc.) degree from an ICAR-recognized agricultural university.

Q3: What are the application dates for this recruitment?

Online applications open on September 24, 2026, and close on October 23, 2026.

Q4: Is there negative marking in the written examination?

Yes, 0.25 marks are deducted for every incorrect answer in the Computer Based Test.

Q5: What is the pay scale for Fishery Extension Officers in Bihar?

The post carries Pay Level-7 (₹44,900 – ₹1,42,400/- under 7th CPC).

Q6: What is the application fee?

The fee is ₹100 for all applicants, payable online.

Q7: Can final-year students apply?

No, candidates must have completed their degree and obtained the passing certificate on or before October 23, 2026.

Q8: How are contractual employees scored in the selection process?Eligible contractual candidates receive 5 marks for every year of completed service, up to a maximum of 25 marks.

Q9: What is the minimum qualifying score for the CBT?

The minimum qualifying standard is 30% marks in the written test.

Q10: Are candidates from outside Bihar eligible to apply?

Yes, Indian citizens from any state may apply under the Unreserved (Open) category.