Bihar BTSC Fisheries Extension Officer Recruitment 2026: The Bihar Technical Service Commission (BTSC) has released the official recruitment notification (Advt. No. 28/2026) for the post of Fisheries Extension Officer (मत्स्य प्रसार पदाधिकारी). A total of 231 vacancies are available under the Directorate of Fisheries, Dairy, Fisheries & Animal Resources Department, Government of Bihar. Eligible candidates can submit their applications online through the official BTSC portal from September 24, 2026, to October 23, 2026.
BTSC Fisheries Extension Officer 2026: Overview
| Organization | Bihar Technical Service Commission (BTSC) |
| Post Name | Fisheries Extension Officer |
| Advertisement No. | 28/2026 |
| Total Vacancies | 231 Posts |
| Pay Scale | Pay Level-7 |
| Application Mode | Online |
| Official Website | btsc.bihar.gov.in |
Important Dates
| Event | Date |
| Online Application Start Date | September 24, 2026 |
| Last Date to Apply Online & Pay Fee | October 23, 2026 |
| Age Calculation Cut-Off Date | August 1, 2026 |
| Work Experience Calculation Date | September 24, 2026 |
| Last Date for Issuance of Certificates | October 23, 2026 |
| CBT Exam Date | To be notified later |
Bihar BTSC Fisheries Extension Officer Vacancy Details
The BTSC has announced 231 vacancies distributed across various categories. Additionally, there is a 35% horizontal reservation for women domiciled in Bihar.
| Category | Total Vacancies | Women Reserved (35% Horizontal) |
| Unreserved (UR) | 96 | 34 |
| Economically Weaker Section (EWS) | 23 | 08 |
| Scheduled Caste (SC) | 35 | 12 |
| Scheduled Tribe (ST) | 02 | 00 |
| Extremely Backward Class (EBC) | 41 | 14 |
| Backward Class (BC) | 27 | 09 |
| Backward Class Women (BCW) | 07 | 00 |
| Total | 231 | 77 |
Note: Special category reservations are also applicable, including 9 posts reserved for Persons with Disabilities (PwD) and 4 posts for descendants of freedom fighters.
Bihar BTSC Fisheries Extension Officer Eligibility Criteria
Educational Qualification
Candidates must hold a 4-year Bachelor’s degree in Fisheries Science from a Fisheries College under an Agricultural University recognized by the Indian Council of Agricultural Research (ICAR), New Delhi.
Age Limit (as of August 1, 2026)
Age Limit (as of August 1, 2026)
| Category | Age Limit |
| Minimum Age (All Candidates) | 21 Years |
| Unreserved (Male) | 37 Years |
| Unreserved (Female) | 40 Years |
| BC / EBC (Male & Female) | 40 Years |
| SC / ST (Male & Female) | 42 Years |
Age Relaxation Details:
- Persons with Disabilities (PwD): 10 years of relaxation in the upper age limit.
- Regular Bihar Government Employees: 5 years of relaxation (requires a minimum of 3 years of continuous service).
- Contractual Employees: Age relaxation equivalent to the total period of contractual service rendered on a similar post in Bihar government or non-private institutions.
- Ex-Servicemen: 3 years plus the length of military service rendered (actual age must not exceed 57 years).
Application Fee
All applicants must pay an application fee of Rs. 100/-.
Pay online using a Debit Card, Credit Card, Internet Banking, or UPI.
Selection Process
The final merit list will be calculated out of a total of 100 marks.
Computer Based Test (CBT) (75 Marks): The test comprises 100 objective-type questions to be completed in 2 hours. Each correct answer is awarded 1 mark, while 0.25 marks are deducted for every incorrect response. The candidate’s overall percentage in the CBT will be multiplied by 0.75 to calculate their score out of 75. The minimum qualifying mark in the CBT is 30% for all categories.
Work Experience (25 Marks): Up to 25 marks will be awarded for satisfactory contractual work experience on the same post in a Bihar Government or non-private institution. Marks are awarded proportionally based on the duration of service.
Bihar BTSC Fisheries Extension Officer Exam Pattern
The Computer-Based Test (CBT) pattern for both the Touring Veterinary Officer and Fisheries Extension Officer follows the same core structure, though they differ in syllabus and minimum qualifying scores.
| Parameter | Fisheries Extension Officer (Advt. 28/2026) |
| Exam Mode | Computer-Based Test (CBT) |
| Total Questions | 100 Objective Type (MCQs) |
| Total Marks | 100 Marks |
| Duration | 2 Hours (120 Minutes) |
| Language | Bilingual (Hindi & English) |
| Marking Scheme | +1 Mark per correct answer |
| Negative Marking | -0.25 Marks per incorrect answer |
| Syllabus Standard | Fisheries Science curriculum |
| Normalization | Applicable if held in multiple shifts |
Minimum Qualifying Marks:
- A flat 30% minimum qualifying score is required across all categories.
Final Merit List Calculation (Out of 100 Marks):
CBT Score Weightage (75 Marks): The candidate’s percentage score obtained in the CBT is multiplied by a factor of 0.75.
Work Experience Weightage (25 Marks): A maximum of 25 marks is awarded based on prior contractual service duration in relevant government roles.
BTSC Fisheries Extension Officer Recruitment 2026 How to Apply
- Visit the official website at btsc.bihar.gov.in.
- Click on the online application link for “Advt. No. 28/2026 (Fisheries Extension Officer)”.
- Complete the registration process using an active mobile number and email ID.
- Fill out the application form with personal, educational, and category details.
- Provide the identity number of a valid photo ID such as an Aadhaar Card, PAN Card, or Driving License.
- Upload scanned, clearly legible copies of the required documents, including educational certificates, category/domicile certificates (if claiming reservation), and work experience certificates (in the prescribed format).
- Upload a recent passport-sized photograph (with a white background, taken within three months) and signature.
- Pay the application fee of Rs. 100/- online.
- Submit the application and retain a printed copy of the final submission for the document verification stage.
Important Links
| Bihar BTSC Fisheries Extension Officer Official Notification PDF | Click Here |
| Bihar BTSC Fisheries Extension Officer Apply Online Link | Click Here |
