IOCL Bongaigaon Refinery Apprenticeship 2026, Indian Oil Corporation Limited (IOCL), a Fortune Global 500 Maharatna PSU, has released the official notification for engagement of Apprentices at Bongaigaon Refinery, Assam under the Apprentices Act, 1961/1973 (as amended).
Date of Notification: 15 March 2026

This is a golden opportunity for fresh B.Sc. (PCM/Industrial Chemistry) and Diploma holders in Chemical, Petrochemical, Instrumentation & related branches to join India’s largest commercial undertaking for skill-building apprenticeship training.
Key Highlights
- Total Seats: 69 (tentative)
- Trades Offered: Trade Apprentice (Attendant Operator), Trade Apprentice (Boiler), Technician Apprentice (Chemical), Technician Apprentice (Instrumentation)
- Stipend: As per Apprentices Act + IOCL guidelines
- No Written Test – Purely merit-based on qualifying marks
- No Employment Bond after training
- Application Period: 15 March 2026 to 22 March 2026 (5:00 PM)
Trade-wise Seats & Eligibility Table (Category-wise Breakup)
IOCL Bongaigaon Refinery Apprenticeship 2026 – Seat Details
- Code 101: Trade Apprentice – Attendant Operator (Chemical Plant) Qualification: 3-year B.Sc (Maths, Physics, Chemistry or Industrial Chemistry) Training: 12 months | Total Seats: 34 (UR-16, EWS-3, SC-2, ST-4, OBC-9)
- Code 103: Trade Apprentice (Boiler) Qualification: 3-year B.Sc (Maths, Physics, Chemistry or Industrial Chemistry) Training: 24 months | Total Seats: 15 (UR-6, EWS-2, SC-1, ST-2, OBC-4)
- Code 104: Technician Apprentice (Chemical) Qualification: 3-year Diploma in Chemical / Petrochemical Engg. Training: 12 months | Total Seats: 10 (UR-4, EWS-1, SC-1, ST-1, OBC-3)
- Code 107: Technician Apprentice (Instrumentation) Qualification: 3-year Diploma in Instrumentation Engg. Training: 12 months | Total Seats: 10 (UR-4, EWS-1, SC-1, ST-1, OBC-3)
Note: Seats are tentative and may change as per Presidential Directives on reservation.
PwBD Seats: Only available against Code 107 (1 seat). Eligible categories: PV (Low vision/Blind), PH (Hard of hearing/Deaf), PL (Musculoskeletal, Dwarfism, Acid Attack Victim, Cerebral Palsy, Leprosy Cured), Multiple Disabilities.
Minimum Educational Qualification & Marks
- Minimum 50% aggregate (45% for SC/ST/PwBD in reserved seats)
- Must be regular full-time course from recognized University/Institute
- Lateral entry Diploma candidates also eligible
- Higher qualifications (BE/B.Tech, MBA, etc.) or candidates who passed qualifying exam more than 5 years ago are NOT eligible
- B.Sc. (PCM) candidates can apply for either Code 101 or 103 only (not both)
Age Limit (as on 28.02.2026)
- General / EWS: 18 – 24 years
- SC/ST: 5 years relaxation
- OBC (NCL): 3 years relaxation
- PwBD: 10 years (additional 5/3 years for SC/ST/OBC)
Proof of Age: Only 10th Class Matriculation certificate.
Selection Process
- No Written Test
- Purely on percentage of marks in qualifying exam (merit list)
- Tie-breaker: Date of birth → Higher Matric marks
- Document Verification + Pre-engagement Medical Fitness
How to Apply (Two Mandatory Steps – Both compulsory)
STEP 1: Register & Apply on NAPS / NATS Portal
- Codes 101 & 103 → https://apprenticeshipindia.gov.in/ (NAPS)
- Codes 104 & 107 → https://nats.education.gov.in/ (NATS)
- Establishment ID: EASCHC000001 (NATS) | E07191800001 (NAPS)
STEP 2: Fill additional details on Microsoft Forms (link available on www.iocl.com under “What’s New” → Bongaigaon Refinery Apprenticeship)
Last Date: 22 March 2026 (17:00 hrs)
Important Dates
| Event | Date & Time |
|---|---|
| Online Application Start | 15 March 2026 (10:00 AM) |
| Last Date to Apply | 22 March 2026 (05:00 PM) |
| Tentative Document Verification List | 24 March 2026 |
| Document Verification | 26–27 March 2026 |
Benefits During Training
- Monthly stipend as per rules
- Safety shoes + Helmet (returnable)
- Accident Insurance Coverage
- 32 days General Leave + 12 days Casual Leave per year
- No Company accommodation / HRA
Important Links of IOCL Bongaigaon Refinery Apprenticeship 2026
| Application Form | NAPS,NATS |
| Official Notification | Click Here |
| WhatsApp Channel | Click Here |
| FaceBook Page | Click Here |
| Official Website | Click Here |
Important Notes
- Candidates who have already completed apprenticeship in any trade must maintain minimum 1-year gap (except specific cases)
- Previous apprentices terminated due to their own fault are ineligible
- Canvassing in any form will disqualify the candidate
- All future updates will be available only on www.iocl.com
Queries: bgrrecriut@indianoil.in | Phone: 03664-253136
FAQs- Bongaigaon Refinery Apprenticeship 2026
Q1. What is the total number of apprentice seats in IOCL Bongaigaon Refinery 2026?
A: Total 69 tentative seats are available across 4 trades/disciplines.
Q2. What are the trades/disciplines available for apprenticeship?
- Code 101: Trade Apprentice – Attendant Operator (Chemical Plant)
- Code 103: Trade Apprentice (Boiler) – Mechanical
- Code 104: Technician Apprentice – Chemical
- Code 107: Technician Apprentice – Instrumentation (1 PwBD seat)
Q3. What is the last date to apply for IOCL Bongaigaon Apprenticeship 2026?
A: The last date to submit application on NAPS/NATS portal + Microsoft Forms is 22 March 2026 (05:00 PM).
Q4. Is there any written test or interview for IOCL Apprentice selection?
A: No Written Test / No Interview. Selection is purely based on merit (percentage of marks in qualifying examination).
Q5. What is the minimum educational qualification required?
- For Codes 101 & 103: B.Sc with Maths, Physics, Chemistry / Industrial Chemistry (minimum 50% marks, 45% for SC/ST/PwBD)
- For Codes 104 & 107: 3-year Diploma in relevant engineering discipline (minimum 50% marks)
Q6. What is the age limit for IOCL Bongaigaon Apprentice 2026?
A: Minimum 18 years and maximum 24 years as on 28.02.2026 for General/EWS candidates. Age relaxation applicable for SC/ST/OBC(NCL)/PwBD as per Government rules.
Q7. Do I need to register on NAPS or NATS portal before applying?
A: Yes, it is mandatory.
- Codes 101 & 103 → Register on NAPS portal (apprenticeshipindia.gov.in)
- Codes 104 & 107 → Register on NATS portal (nats.education.gov.in) After that, you must also fill the Microsoft Form on www.iocl.com.
Q8. Will IOCL provide employment after completion of apprenticeship?
A: No. IOCL has no obligation to offer regular employment after apprenticeship training.
Q9. Is there any stipend and other benefits during training?
A: Yes. Apprentices will receive monthly stipend as per Apprentices Act rules. They will also get safety shoes, helmet (where applicable), accident insurance, and prescribed leaves.
Q10. Where can I find the official notification and apply?
A: Visit the official IOCL website www.iocl.com → Go to “What’s New” section → Bongaigaon Refinery Apprenticeship notification.
