Indian Oil Corporation Limited (IOCL), Bongaigaon Refinery at Dhaligaon, Chirang, has invited online applications for 58 apprentice seats under Advertisement No. BGR/Appr/2026/04. There are three codes: Attendant Operator (Chemical Plant), Boiler (Mechanical) and Technician Apprentice (Instrumentation). Candidates need a B.Sc (Maths, Physics, Chemistry or Industrial Chemistry) or a diploma in instrumentation-related branches. IOCL Bongaigaon Refinery Apprentice Recruitment 2026 is a good source skill development. Bongaigaon Refinery Apprentice Recruitment 2026 is a good source for Students.
There is no written test. Selection is by percentage of marks in the qualifying course. Read every section below before applying, because an application missing either the NAPS/NATS step or the Microsoft Form is treated as invalid.
| Key Details at A Glance | |
| Organization Indian Oil Corporation Ltd, Bongaigaon Refinery | Last date 18-10-2026, 5:00 PM |
| Selection Process Merit by marks, no written test | Age limit 18 to 24 years as on 30-09-2026 |
| Total seats 58 (101: 36, 103: 14, 107: 8) | Mode NAPS/NATS + Microsoft Form |
Important Dates for Notification
| Event | Date |
| Application opens (NAPS/NATS and Microsoft Form) | 28-09-2026, 10:00 AM |
| Last date to apply (both steps) | 18-10-2026, 5:00 PM |
| List of candidates for document verification (tentative) | 26-10-2026 |
| Document verification (tentative) | 04-11-2026 to 06-11-2026 |
| Date of reckoning age and qualification | 30-09-2026 |
Vacancy Details for Bongaigaon Refinery Apprentice Recruitment 2026
The trade-wise vacancy details are given below.
| Code | Trade/ Discipline | Total Post |
| 101 | Trade Apprentice – Attendant Operator (Chemical Plant), Chemical Discipline | 36 |
| 103 | Trade Apprentice (Boiler), Mechanical Discipline | 14 |
| 107 | Technician Apprentice, Instrumentation Discipline | 08 |
| Grand Total | 58 |
Category Wise Vacancies
| Code | Unreserved | OBC | EWS | SC | ST | Total |
| 101 | 17 | 11 | 04 | 03 | 01 | 36 |
| 103 | 06 | 04 | 01 | 01 | 02 | 14 |
| 107 | 03 | 02 | 01 | 01 | 01 | 08 |
| Grand Total | 58 | |||||
Apprentice Training Duration & Education Qualification
| Code | Trade | Education | Period of Training |
| 101 | Trade Apprentice, Attendant Operator (Chemical Plant), Chemical | 3-year B.Sc (Maths, Physics, Chemistry or Industrial Chemistry) | 12 Months |
| 103 | Trade Apprentice (Boiler), Mechanical | 3-year B.Sc (Maths, Physics, Chemistry or Industrial Chemistry) | 24 Months |
| 107 | Technician Apprentice, Instrumentation | 3-year Diploma in Instrumentation Engg / Instrumentation & Electronics / Instrumentation & Control Engg / Applied Electronics and Instrumentation Engg | 12 Months |
Age limit for Apply
The age limit is calculated as of 30 September 2026
| Category | Age Limit |
| Unreserved | Minimum 18 to 24 Years |
| ST/SC | Up to 5 years relaxation (upper limit 29) |
| OBC (NCL) | Up to 3 years relaxation (upper limit 27) |
| PwBD | Up to 10 years relaxation |
Stipend , Leave and Terms Bongaigaon Refinery Apprentice Recruitment 2026
- Stipend : as prescribed under the Apprentices Act and Rules 1992 (as amended) and IOCL guidelines. No exact figure is given in the notice.
- Safety Gear : one pair of safety shoes and a helmet, returnable after training.
- No HRA or company accommodation.
- Leave: 32 days general leave (8 per quarter) plus 12 days casual leave per calendar year, pro-rata. Unused leave lapses.
- Accident insurance cover. Certified Standing Orders for workmen apply for discipline.
- No job guarantee: IOCL has no obligation to employ apprentices after training, and apprentices cannot claim employment on that ground.
- The notice mentions no application fee. Do not pay anyone for this recruitment.
- False information leads to cancellation and possible criminal prosecution. Canvassing makes a candidate ineligible.
- Corrigenda are published only on www.iocl.com. Disputes fall under the local court at Chirang.
Qualification and eligibility rules
- You must have already passed the qualification by 30-09-2026. Candidates awaiting results cannot apply.
- Minimum 50% aggregate marks (45% for SC/ST/PwBD candidates against their reserved seats) in a recognised, regular, full-time course. Correspondence, distance and part-time qualifications are not accepted.
- Only the branches named for each code count. No claim of equivalent qualification is entertained.
- If your university gives CGPA or grades, enter the equivalent percentage in the form and carry a conversion certificate to document verification.
- Lateral-entry diploma holders (Class XII Science or ITI admitted to the second year) are eligible if they meet the percentage on the aggregate of all semesters.
- Not eligible: holders of higher professional qualifications such as BE/B.Tech, MBA, CA, LLB or MCA, and engineering graduates or diploma holders with one year or more of job experience after qualifying.
- Not eligible: anyone who completed the qualification more than five years before 30-09-2026.
- A B.Sc candidate may apply for only one of codes 101 or 103. Applying for more than one trade leads to summary rejection.
How to apply Bongaigaon Refinery Apprentice Recruitment 2026
Both steps are compulsory. Doing only one makes the application invalid.
Before You Start
- Have an active e-mail ID and mobile number that stay valid for at least one year. Use the same ones on NAPS/NATS and the Microsoft Form.
- Keep your NAPS/NATS profile 100% updated: personal details, education, category and aggregate percentage.
Step I: NAPS or NATS
- Codes 101 and 103: register on the NAPS portal (apprenticeshipindia.gov.in), open Apprenticeship Opportunities, search by location and trade for IOCL Bongaigaon Refinery, and apply.
- Code 107: register on the NATS portal (nats.education.gov.in) and apply to the IOCL Bongaigaon notice from your dashboard
| Unit | NATS Establishment ID | NAPS Establishment ID |
| Bongaigaon Refinery | EASCHC000001 | E07191800001 |
Step II: Microsoft Form
After applying on the portal, open www.iocl.com, go to What’s New, then Engagement of Apprentices at Bongaigaon Refinery 2026-27 (II), and use Click here to submit additional information on Microsoft forms. Submit only one response. The form closes at 5:00 PM on 18-10-2026.
Details must match exactly between Step I and Step II (enrolment number, registration number, application code). A mismatch means summary rejection. Applications by any other mode are rejected. Declare any ailments, past unfit medical findings with any PSU, and any arrest, prosecution, detention, fine or conviction in your application.
selection Process Bongaigaon Refinery Apprentice Recruitment 2026
- No written test. The merit list is by aggregate percentage in descending order across all years or semesters of the qualifying course.
- Tie-breakers, in order: older date of birth, then higher Matriculation percentage.
- Shortlisted candidates are called for document verification.
- Pre-engagement medical examination. Only candidates declared fit get an offer.
- Offer of engagement. Filling seats is at management discretion, and no claim arises if seats stay vacant.
| Because selection is purely marks-based, check that the percentage on your NAPS/NATS profile matches your marksheets. A mismatch can lead to rejection. |
Already done an Apprenticeship?
First-time applicants get preference. You may apply a second time only in a different trade, and those seats are filled only if not enough first-timers apply.
- Minimum one year gap since completing the earlier apprenticeship.
- If the earlier contract ended due to employer failure, no gap is needed.
- If you ended it yourself for health, financial hardship, relocation, transport, career change or language reasons, a three-month gap is needed (none for women)
- Not eligible if the contract was terminated because you failed to follow its terms.
- Selected second-timers must submit an affidavit on stamp paper in Annexure-A format.
Some Important Links for Apply & Official Notification
| Apply for Nats | Click Here Nats |
| Apply Here Register Naps | Click Here Naps |
| Apply MS Form | Click Here MS Form |
| Download Official Notification | Download PDF |
| IOCL Official Website | https://www.iocl.com/ |
Documents required at verification
Bring originals plus self-attested copies, and one original photo ID (Aadhaar, PAN, Voter ID, Driving Licence or Passport).
- Class X certificate (proof of date of birth) and Class XII marksheet
- Year-wise or semester-wise marksheets of graduation or diploma, and the degree or diploma certificate
- CGPA/grade-to-percentage conversion certificate, if applicable
- Principal’s certificate showing the result publication date (if not on the marksheet), that the course was regular full-time, and good conduct
- SC/ST/OBC(NCL)/Disability certificate with declaration, or EWS Income and Asset Certificate, in the prescribed format
- Print of NAPS/NATS registration with applicant details
- Annexure-A affidavit (second-time applicants)
- Declaration that you hold no higher professional qualification (taken at engagement)
FAQs Bongaigaon Refinery Apprentice Recruitment 2026
a.How many apprentice posts are there and in which trades?
Ans- 58 in total: 36 Attendant Operator (Chemical Plant), 14 Boiler (Mechanical) and 8 Technician Apprentice (Instrumentation).
b. Is there a written test or interview?
Ans- No written test. Selection is on aggregate percentage in the qualifying course, followed by document verification and a medical examination.
c. Who can apply for Code 101 or 103?
Ans- Candidates with a 3-year regular B.Sc in Maths, Physics, Chemistry or Industrial Chemistry with at least 50% marks (45% for SC/ST/PwBD). You can pick only one of the two codes.
d. Who can apply for Code 107?
Ans- Candidates with a 3-year diploma in Instrumentation Engineering, Instrumentation and Electronics, Instrumentation and Control Engineering, or Applied Electronics and Instrumentation, with at least 50% marks.
