Indian Oil Corporation Limited (IOCL) has released two separate recruitment notifications inviting applications for engagement as Apprentices at its Bongaigaon Refinery and Guwahati Refinery units under the Apprentices Act, 1961/1973 (as amended). A total of 246 apprentice posts are available across various trades and disciplines, including Chemical Plant Attendant Operator, Fitter, Boiler, Technician Apprentice (Chemical, Mechanical, Electrical, Instrumentation), Secretarial Assistant, Accountant, and Data Entry Operator. Eligible candidates from Assam and other states can apply online through the prescribed NAPS/NATS portals along with the mandatory Microsoft Form submission.
IOCL Apprentice Recruitment 2026: Overview
| Particulars | Details |
|---|---|
| Organization | Indian Oil Corporation Limited (IOCL) |
| Refinery Units | Bongaigaon Refinery & Guwahati Refinery |
| Advertisement No. | BGR/Appr/2026/03 (Bongaigaon), GR/P/APP/2026-27 (Guwahati) |
| Post Name | Technician Apprentice & Trade Apprentice |
| Total Vacancies | 246 (Bongaigaon: 144, Guwahati: 102) |
| Application Mode | Online (NAPS/NATS Portal + Microsoft Form) |
| Application Start Date | 29 June 2026 |
| Application Last Date | 28 July 2026 |
| Application Fee | Nil |
| Official Website | iocl.com |
About Indian Oil Corporation Limited (IOCL)
Indian Oil Corporation Limited is a Government of India Undertaking and one of the largest commercial enterprises in the country, recognized as a Fortune “Global 500” company. As part of its Skill Building Initiative for the Nation, IOCL regularly engages apprentices across its refinery units to provide hands-on training opportunities to young candidates in technical and administrative trades. This recruitment drive covers two of IOCL’s refinery units located in Assam — Bongaigaon Refinery and Guwahati Refinery — making it a significant opportunity for candidates from the Northeast region.
IOCL Apprentice Recruitment 2026: Refinery-wise Vacancy Details
Guwahati Refinery (Advt. No. GR/P/APP/2026-27) – Total 102 Posts
| Code | Trade/Discipline | Qualification | Total Seats |
|---|---|---|---|
| 101 | Attendant Operator (Chemical Plant) | B.Sc. (Maths/Physics/Chemistry/Industrial Chemistry) | 17 |
| 102 | Fitter | Matric with ITI in Fitter Trade | 4 |
| 103 | Boiler Attendant | B.Sc. (Maths/Physics/Chemistry/Industrial Chemistry) | 8 |
| 104 | Technician Apprentice – Chemical | Diploma in Chemical/Petrochemical Engineering | 21 |
| 105 | Technician Apprentice – Mechanical | Diploma in Mechanical Engineering | 14 |
| 106 | Technician Apprentice – Electrical | Diploma in Electrical Engineering | 14 |
| 107 | Technician Apprentice – Instrumentation | Diploma in Instrumentation Engineering | 4 |
| 108 | Secretarial Assistant | B.A./B.Sc./B.Com | 14 |
| 109 | Accountant | B.Com | 1 |
| 110 | Data Entry Operator (Fresher) | Class XII Pass | 4 |
| 111 | Data Entry Operator (Skill Certificate) | Class XII with Skill Certificate | 1 |
Bongaigaon Refinery (Advt. No. BGR/Appr/2026/03) – Total 144 Posts
| Code | Trade/Discipline | Qualification | Total Seats |
|---|---|---|---|
| 101 | Attendant Operator (Chemical Plant) | B.Sc. (Maths/Physics/Chemistry/Industrial Chemistry) | 43 |
| 102 | Fitter | Matric with ITI in Fitter Trade | 6 |
| 103 | Boiler Attendant | B.Sc. (Maths/Physics/Chemistry/Industrial Chemistry) | 14 |
| 104 | Technician Apprentice – Chemical | Diploma in Chemical/Petrochemical Engineering | 14 |
| 105 | Technician Apprentice – Mechanical | Diploma in Mechanical Engineering | 20 |
| 106 | Technician Apprentice – Electrical | Diploma in Electrical Engineering | 15 |
| 107 | Technician Apprentice – Instrumentation | Diploma in Instrumentation Engineering | 9 |
| 108 | Secretarial Assistant | B.A./B.Sc./B.Com | 15 |
| 109 | Accountant | B.Com | 1 |
| 110 | Data Entry Operator (Fresher) | Class XII Pass | 5 |
| 111 | Data Entry Operator (Skill Certificate) | Class XII with Skill Certificate | 2 |
Eligibility Criteria
Candidates must hold the qualification specified against their chosen trade code, completed through a regular full-time mode from a recognized Board, University, or Institute, with a minimum of 50% aggregate marks (45% for SC/ST and PwBD candidates against reserved seats). Candidates whose results are still awaited as of the cut-off date are not eligible to apply. Diploma or Graduation in branches other than those specified will not be considered. A candidate possessing higher professional qualifications such as B.E./B.Tech, MBA, CA, LLB, or MCA is not eligible to apply for these apprentice positions.
A candidate may apply for only one trade/discipline of their choice. Those applying for more than one trade will have their application summarily rejected. Candidates with a B.Sc. (Physics, Mathematics, Chemistry/Industrial Chemistry) background can apply for only one among Codes 101, 103, or 108, while B.Com candidates may choose only one between Codes 108 and 109.
Age Limit (as on 30 June 2026)
- Minimum Age: 18 Years
- Maximum Age: 24 Years (General/EWS category)
- Age Relaxation: 5 years for SC/ST, 3 years for OBC (NCL), 10 years for PwBD candidates, with further combined relaxation for PwBD-SC/ST and PwBD-OBC(NCL) candidates as per government norms.
Application Fee
There is no application fee for any category of candidates applying for this recruitment.
Selection Process
There shall be no written examination for this recruitment. Selection will be based on the following process:
- Merit list prepared on the basis of percentage of marks obtained in the prescribed qualifying examination (aggregate of all years/semesters), in descending order.
- In case of a tie in marks, the candidate senior in age will be ranked higher; if the date of birth is also the same, Matriculation marks will be considered as the next criterion.
- Document Verification of shortlisted candidates based on merit list position and seat availability.
- Pre-engagement medical fitness examination for finally shortlisted candidates.
Candidates should note that engagement as an apprentice does not create any obligation on IOCL to offer regular employment upon completion of training.
IOCL Apprentice Recruitment 2026: Important Dates
| Event | Date |
|---|---|
| Opening of Online Application (NAPS/NATS + Microsoft Form) | 29 June 2026 (10:00 Hrs) |
| Last Date for Submission of Online Application | 28 July 2026 (17:00 Hrs) |
| Tentative Publication of List for Document Verification | 05 August 2026 |
| Tentative Document Verification Dates | 11 August 2026 to 18 August 2026 |
How to Apply for IOCL Apprentice Recruitment 2026
The application process involves two mandatory steps, and both must be completed for a valid application.
Step 1: Registration and Application on NAPS/NATS Portal
- For Codes 101, 102, 103, 108, 109, 110, and 111, candidates must register on the NAPS portal at apprenticeshipindia.gov.in.
- For Codes 104, 105, 106, and 107, candidates must register on the NATS portal (Board of Apprenticeship Training) at nats.education.gov.in.
- After registration, select the Apprenticeship Opportunities section, choose the respective IOCL Refinery Unit (Guwahati or Bongaigaon) and the relevant trade, then complete the application using the correct Establishment ID for the chosen refinery.
- Carefully verify all personal, educational, and category details before final submission on the portal.
Step 2: Filling the Mandatory Microsoft Form
- After successfully applying through the NAPS/NATS portal, visit the official IOCL website at iocl.com.
- Locate the relevant refinery’s notification under the “What’s New” section and access the link to submit additional details through the Microsoft Form.
- Ensure that the same email ID and mobile number used during NAPS/NATS registration are used here, and that all details match exactly across both steps.
- Submit only one response in the Microsoft Form, as multiple or mismatched submissions may lead to rejection of candidature.
Documents Required at the Time of Document Verification
- 10th pass/Matriculation certificate as proof of date of birth
- Class XII marksheet or semester-wise ITI/Diploma/Graduation marksheets
- Final passing certificate of Class XII/ITI/Diploma/Graduation
- CGPA/OGPA to percentage conversion certificate, if applicable
- Caste certificate (SC/ST/OBC-NCL), EWS Income & Asset Certificate, or Disability Certificate, as applicable
- Print of NAPS/NATS portal registration
- Affidavit of compliance with eligibility conditions (Annexure-A format)
- A valid original photo ID proof (Aadhaar, PAN, Voter ID, Driving License, or Passport)
Who Should Apply
- Candidates with a B.Sc. in Maths, Physics, Chemistry, or Industrial Chemistry can apply for Attendant Operator or Boiler Attendant trades.
- ITI-qualified candidates in the Fitter trade can apply under the mechanical discipline.
- Diploma holders in Chemical, Mechanical, Electrical, or Instrumentation Engineering can apply for the respective Technician Apprentice positions.
- Graduates in Arts, Science, or Commerce can apply for the Secretarial Assistant role, while B.Com graduates may apply for the Accountant position.
- Class XII pass candidates, with or without a Data Entry Operator skill certificate, can apply for the respective Data Entry Operator posts.
Common Mistakes to Avoid
- Do not apply through any third-party website; applications must be submitted only through the official NAPS/NATS portals and the IOCL Microsoft Form link.
- Ensure that the trade/discipline applied for matches your qualification exactly, as qualifications outside the specified branch will not be considered.
- Complete both Step 1 (NAPS/NATS) and Step 2 (Microsoft Form) using matching details; incomplete or mismatched submissions will be treated as invalid.
- Do not apply for more than one trade/discipline, as such applications will be summarily rejected.
- Keep your registered email ID and mobile number active throughout the apprenticeship period, as all communication will be sent through these channels only.
Frequently Asked Questions (FAQs)
Q1. When will the online application for IOCL Apprentice Recruitment 2026 start?
The online application process began on 29 June 2026 at 10:00 hours.
Q2. What is the last date to apply for IOCL Apprentice Recruitment 2026?
The last date for submission of the online application is 28 July 2026 (17:00 hours).
Q3. How many total vacancies are there in this recruitment?
There are 246 total vacancies, with 144 posts at Bongaigaon Refinery and 102 posts at Guwahati Refinery.
Q4. What is the application fee for this recruitment?
There is no application fee for any category of candidates.
Q5. Will there be a written examination for IOCL Apprentice Recruitment 2026?
No, there is no written test. Selection is based on merit list prepared from marks obtained in the qualifying examination.
Q6. What is the age limit for this recruitment?
The minimum age is 18 years and the maximum age is 24 years as on 30 June 2026, with relaxation applicable for reserved categories.
Q7. Where can candidates apply for this recruitment?
Candidates can apply through the NAPS portal (apprenticeshipindia.gov.in) or NATS portal (nats.education.gov.in), followed by the mandatory Microsoft Form on the official IOCL website (iocl.com).
Important Links
| Official Website | Click Here |
| Guwahati Refinery Official Notification | Click Here |
| Bongaigaon Refinery Official Notification | Click Here |
| NAPS Portal Registration | Click Here |
| NATS Portal Registration | Click Here |
More Updates
| NBEMS Group A, B & C Recruitment 2026 | Click Here |
| NIACL Apprentice Recruitment 2026 | Click Here |
| RRB Technician Recruitment 2026 | Click Here |
| Assam University Silchar Recruitment 2026 | Click Here |
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Prakash Powrel is the Founder & Editor of Assam Job Update. He is dedicated to helping students and job seekers across Assam and Northeast India by publishing verified Government Jobs, Private Jobs, Admissions, Results, Scholarships, and Career updates based on official notifications and trusted sources.





