BTSC Bihar Fishery Extension Officer Recruitment 2026
Post Date : 22 October 2026
Bihar Technical Service Commission (BTSC), Patna, has announced 231 vacancies for Fishery Extension Officer. Candidates with a 4-year Bachelor's degree in Fisheries Science from an ICAR-recognised university are eligible. The age limit is 21 to 37 years as on 01 August 2026 (up to 42 years with category-wise relaxation). Applications are open online from 24 September 2026 to 23 October 2026. Selection will be through a Computer Based Test, experience marks and document verification. The number of vacancies may change. All dates, fees, vacancy details and links for the BTSC Bihar Fishery Extension Officer Recruitment 2026 are given below. (Advt No: 28/2026)
| Posts | UR | EWS | SC | ST | EBC | BC | WBC (Women of Backward Classes) | Total |
| All posts (incl. 35% women horizontal) | 96 | 23 | 35 | 2 | 41 | 27 | 7 | 231 |
| Of which women (35% horizontal, Bihar domicile, inside 231, not additional) | 34 | 8 | 12 | 0 | 14 | 9 | --- | 77 |
This recruitment has 3 selection stages, in the order shown below.
| Feature | Details |
| Number of questions | 100 multiple-choice questions |
| Language | Hindi and English |
| Duration | 2 hours |
| Total marks | 100 |
| Marking | +1 for each correct answer, minus 0.25 for each wrong answer |
| Minimum qualifying marks | 30% |
| CBT score | Marks obtained x 0.75 (out of 75 marks); for example, 60 marks gives 45 |
- Matriculation original certificate (date of birth)
- Mark sheets of all years and the original or provisional certificate of the qualifying degree
- Photo ID: enter the Aadhaar number (first preference), or PAN / driving licence etc., in the form and carry the same ID to the exam and counselling
- Recent photograph taken within the last three months (white background, face and head fully visible, eyes open); keep spare copies (at least 5)
- Permanent residence (domicile) certificate
- Caste certificate and domicile certificate, for SC / ST candidates
- Non-creamy-layer certificate valid for Bihar Government purposes, plus domicile certificate, for BC / EBC candidates (a caste certificate alone is not enough)
- EWS income and asset certificate plus domicile certificate, if claiming EWS, valid one year from its issue date
- For women of reserved categories: the caste or non-creamy-layer certificate must carry the father's name and address
- Disability certificate from a medical board in the Appendix-1 format (Form VI under RPwD Rules 2017 for multiple disability), if claiming disability reservation (benchmark disability 40% or more, Bihar domicile only)
- Freedom-fighter ward certificate in the format of GAD letter 11687 (30.08.2016), issued by the District Magistrate or an authorised officer, if claiming that reservation (an 'heir of freedom fighter' certificate is not valid)
- Ex-servicemen certificate, if claiming age relaxation as an ex-serviceman
- Parishisht-1 pay-payment certificate issued by the Director Fisheries / Deputy Director Fisheries Division / District Fisheries Officer-cum-CEO, if claiming experience marks or age relaxation
- All certificates must be uploaded in the online form, issued by the competent authority of the candidate's permanent home area on or before 23 October 2026; keep hard copies of the downloaded application and certificates and bring originals plus self-attested copies to document verification. Blurred or missing uploads lead to cancellation.
- 1Apply online through the BTSC website (www.btsc.bihar.gov.in) using the apply link, from 24 September 2026 to 23 October 2026. Read the advertisement and eligibility conditions first, and keep your Aadhaar number (or PAN / driving licence), recent photograph and certificates ready.
- 2Fill in the form carefully with your own mobile number and e-mail ID, and keep them safe until the final list. Claim any reservation, disability, freedom-fighter or experience benefit in the form itself, otherwise it is not given. Upload all required certificates (see Documents Required).
- 3Pay the fee of ₹100 online by debit card, credit card, net banking or UPI by 23 October 2026 (till 23:55). Registration alone does not complete the application; keep the payment receipt. Bank charges are extra.
- 4Submit the application by 23 October 2026 (till 23:55). No change is allowed after submission. Download and keep a hard copy of the final form. All notices appear only on the BTSC website.
Q. What is the last date to apply for BTSC Fishery Extension Officer?
A. The last date to apply online is 23 October 2026, till 23:55. Applications opened on 24 September 2026.
Q. How many vacancies are there?
A. There are 231 vacancies in total for this recruitment, as per the category-wise breakup given on this page.
Q. What is the educational qualification?
A. A 4-year Bachelor's degree in Fisheries Science from a College of Fisheries under an agricultural university recognised by ICAR, New Delhi.
Q. What is the age limit?
A. The minimum age is 21 years. The maximum is 37 years for Unreserved men, 40 years for UR women, BC and EBC, and 42 years for SC and ST, as on 01 August 2026.
Q. What is the application fee?
A. The fee is ₹100 for all candidates, payable online only. Bank charges are extra.
Q. What is the selection process?
A. A Computer Based Test of 100 questions in 2 hours with 0.25 negative marking and 30% minimum qualifying marks, plus up to 25 experience marks. Merit is CBT marks x 0.75 plus experience marks, followed by document verification.
Q. When is the exam date?
A. The CBT date is not announced yet. It will be published on the BTSC website.
Q. What is the official website?
A. Visit btsc.bihar.gov.in for the advertisement and updates.
- The 7 posts shown under Others in the category split are for WBC (women of backward classes).
- Women (77 posts, 35%), disability (VH 3, HH 2, OH 2, MH 2) and freedom-fighter wards (4 posts) are horizontal reservations inside the 231 posts, not extra posts.
- The number of vacancies may increase or decrease, as requisitions received up to the last date may be added.
- Only candidates domiciled in Bihar get reservation benefits. No change is allowed in the application after it is submitted.
- Experience marks are counted only for CBT qualifiers and only on the prescribed Parishisht-1 certificate; without a claim in the form there are no experience marks or age relaxation.
Note: Please verify all details from the official notification and website before applying. This page is for reference only and is not affiliated with any government body.