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The Indian Oil Corporation Limited (IOCL) has released an advertisement to employ a total of 126 candidates at its Digboi refinery in the Tinsukia district of Assam, India. The candidate who intends to pursue this job opportunity has to apply online on the apprenticeship portals by 31 July 2026 (5 PM), as per the notice issued on the website of the recruitment body at iocl.com. The positions offered are the role of Trade & Technician apprentices by IOCL as per the Apprentices Act, 1961/1973. The article provides all the details related to the IOCL Digboi Refinery Apprentice Recruitment 2026.
IOCL Digboi Refinery Apprentice Recruitment 2026: Overview
| IOCL Digboi Refinery Apprentice 2026 | |
| Name of the Organization | Indian Oil Corporation Limited (IOCL) |
| Post Name | Trade Apprentice & Technician Apprentice |
| Total Vacancies | 126 |
| Application Dates | 08 July 2026 to 31 July 2026 (5 PM) |
| Age Limit | 15 years to 24 years as of 30.06.2026 |
| Educational Qualification | ITI/Diploma |
| Selection Process | Merit List, Document Verification |
| Official Notification | PDF Link |
| Official Website | iocl.com |
| Join Our Telegram Channel for Latest Updates | |
IOCL Digboi Refinery Apprentice Vacancy 2026
| Code | Trade/Discipline | Total |
|---|---|---|
| 101 | Trade Apprentice – Attendant Operator (Chemical Plant), Chemical | 40 |
| 102 | Trade Apprentice (Fitter), Mechanical | 7 |
| 103 | Trade Apprentice (Boiler), Mechanical | 2 |
| 104 | Technician Apprentice, Chemical | 10 |
| 105 | Technician Apprentice, Mechanical | 30 |
| 106 | Technician Apprentice, Electrical | 12 |
| 107 | Technician Apprentice, Instrumentation | 2 |
| 108 | Trade Apprentice – Secretarial Assistant | 16 |
| 109 | Trade Apprentice – Accountant | 1 |
| 110 | Trade Apprentice – Data Entry Operator (Fresher Apprentices) | 5 |
| 111 | Trade Apprentice – Data Entry Operator (Skill Certificate Holders) | 1 |
| Total | 126 | |
IOCL AOD Digboi Refinery Eligibility Criteria
| Trade/Discipline | Qualification | Training Period | Age Limit |
|---|---|---|---|
| Trade Apprentice – Attendant Operator (Chemical Plant), Chemical | 3-year B.Sc (Maths, Physics, Chemistry/Industrial Chemistry) | 12 months | 18 to 24 as of 30.06.2026 |
| Trade Apprentice (Fitter), Mechanical | Matric with ITI in Fitter Trade (min. 2 years, Pass class) | 12 months | |
| Trade Apprentice (Boiler), Mechanical | 3-year B.Sc (Maths, Physics, Chemistry/Industrial Chemistry) | 24 months | |
| Technician Apprentice, Chemical | 3-year Diploma in Chemical/Petrochemical Engg./Chemical Technology/Refinery & Petrochemical Engg. | 12 months | |
| Technician Apprentice, Mechanical | 3-year Diploma in Mechanical Engg. | 12 months | |
| Technician Apprentice, Electrical | 3-year Diploma in Electrical Engg./Electrical & Electronics Engg. | 12 months | |
| Technician Apprentice, Instrumentation | 3-year Diploma in Instrumentation Engg./Instrumentation & Electronics/Instrumentation & Control Engg./Applied Electronics & Instrumentation Engg. | 12 months | |
| Trade Apprentice – Secretarial Assistant | 3-year B.A./B.Sc/B.Com | 15 months | |
| Trade Apprentice – Accountant | 3-year B.Com | 12 months | |
| Trade Apprentice – Data Entry Operator (Fresher Apprentices) | Class XII pass | 12 months | |
| Trade Apprentice – Data Entry Operator (Skill Certificate Holders) | Class XII pass with Skill Certificate in “Domestic Data Entry Operator” | 12 months |
- The preference will be given to candidates applying for apprenticeship training for the first time. Candidates whose earlier apprenticeship was terminated due to their own fault will not be eligible.
- Engineering graduates, diploma holders or vocational certificate holders with one year or more of job experience after qualification are not eligible.
- Candidates who completed five years after acquiring the required qualification are not eligible.
- Applications for more than one trade/discipline will be rejected. Candidates with qualifications obtained through part-time, correspondence or distance education are not eligible.
Age Relaxation
| Category | Upper Age Relaxation |
|---|---|
| SC/ST | Up to 5 years |
| OBC (NCL) | Up to 3 years |
| PwBD (General) | Up to 10 years (irrespective of reservation) |
| PwBD – SC / ST | Up to 15 years (10 years + 5 years) |
| PwBD – OBC (NCL) | Up to 13 years (10 years + 3 years) |
IOCL Digboi Refinery Apprentice Apply Online Link
Before applying, candidates must have a valid and active Apprenticeship Registration/Enrolment Number on the NAPS or NATS portal, and their profile must be 100% complete and correctly updated. Only online applications submitted through the prescribed portals will be accepted. Each candidate is allowed to apply for only one trade/discipline. The link to access the apprentice portals for registration and Microsoft Form is mentioned below.
| Post Name | Post Code | Application Link | Establishment ID | Application Form for Submitting Additional Details |
| Trade Apprentice | 101, 102, 103, 108, 109, 110, 111 | NAPS Portal | E01201800001 | Apprenticeship Additional Data Form: AOD Digboi Refinery |
| Technician Apprentice | 104, 105, 106, 107 | NATS Portal | EASTIC000002 |
How to Apply for IOCL Apprentice Recruitment 2026?
-
Candidates applying for Post Codes 101 to 111 must register and apply through the NAPS portal at https://apprenticeshipindia.gov.in. On the NAPS portal, go to Apprenticeship Opportunities and select the IOCL Refinery location & choose the relevant trade, log in, and complete the application carefully.
-
Candidates applying for Post Codes 104 and 107 must register on the NATS (BOAT) portal at
https://nats.education.gov.in. After successful registration on NATS, apply for the IOCL Digboi Refinery Apprentice apprenticeship advertisement available on your dashboard. -
Before final submission, make sure all details such as personal information, educational qualification, category and aggregate percentage are correctly updated in your NAPS/NATS profile. Any corrections should be made through the respective portal helpdesk.
-
Ensure that you have successfully applied for the relevant apprenticeship opportunity on the NAPS/NATS portal.
-
Use the correct Establishment ID while applying:
-
Digboi Refinery (NATS): EASTIC000002
-
Digboi Refinery (NAPS): E01201800001
-
- Candidates must mandatorily submit additional details through the official Microsoft/Google Form, without which the application will not be accepted.
Documents Required to Apply for IOCL Digboi Refinery Apprentice Recruitment 2026
- Class 10 Mark Sheet and Certificate
- Date of Birth Proof
- ITI Mark Sheets (All semesters)
- NCVT/SCVT Trade Certificate or National Trade Certificate
- Category & PwBD Certificate, if applicable
- Recent Passport-size Colour Photograph
- Scanned Signature
IOCL Digboi Refinery Selection Process
The stage-wise IOCL Digboi Refinery Selection Process is given below:
- Merit-Based
- Document Verification
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