Introduction
The Indian Oil Corporation Limited (IOCL) – AOD Digboi Refinery has announced the IOCL Digboi Apprentice Recruitment 2026 for a total of 126 Trade and Technician Apprentice positions across multiple streams. Applications are accepted online through the NAPS/NATS portal and Microsoft Forms from 08 July 2026 to 31 July 2026.
Highlights
| Organisation | Indian Oil Corporation Limited (IOCL) |
| Unit | AOD Digboi Refinery |
| Post Name | Trade Apprentice & Technician Apprentice |
| Total Vacancies | 126 |
| Mode of Application | Online (NAPS/NATS portal + Microsoft Forms) |
| Application Start Date | 08 July 2026 (10:00 Hrs) |
| Application Last Date | 31 July 2026 (17:00 Hrs) |
| Official Website | www.iocl.com |
Post & Organization Details
The recruitment is for the AOD Digboi Refinery unit of IOCL. Two categories of apprentices are being hired – Trade Apprentices and Technician Apprentices in streams such as Chemical, Mechanical, Electrical, Instrumentation, Secretarial, Accounts, and Data Entry.
Vacancy Details
| Code | Trade/Discipline | Qualification | Training Period | Total |
|---|---|---|---|---|
| 101 | Trade Apprentice – Attendant Operator (Chemical Plant), Chemical | 3‑year B.Sc (Maths, Physics, Chemistry/Industrial Chemistry) | 12 months | 40 |
| 102 | Trade Apprentice (Fitter), Mechanical | Matric with ITI in Fitter Trade (min. 2 years, Pass class) | 12 months | 7 |
| 103 | Trade Apprentice (Boiler), Mechanical | 3‑year B.Sc (Maths, Physics, Chemistry/Industrial Chemistry) | 24 months | 2 |
| 104 | Technician Apprentice, Chemical | 3‑year Diploma in Chemical/Petrochemical Engg./Chemical Technology/Refinery & Petrochemical Engg. | 12 months | 10 |
| 105 | Technician Apprentice, Mechanical | 3‑year Diploma in Mechanical Engg. | 12 months | 30 |
| 106 | Technician Apprentice, Electrical | 3‑year Diploma in Electrical Engg./Electrical & Electronics Engg. | 12 months | 12 |
| 107 | Technician Apprentice, Instrumentation | 3‑year Diploma in Instrumentation Engg./Instrumentation & Electronics/Instrumentation & Control Engg./Applied Electronics & Instrumentation Engg. | 12 months | 2 |
| 108 | Trade Apprentice – Secretarial Assistant | 3‑year B.A./B.Sc/B.Com | 15 months | 16 |
| 109 | Trade Apprentice – Accountant | 3‑year B.Com | 12 months | 1 |
| 110 | Trade Apprentice – Data Entry Operator (Fresher Apprentices) | Class XII pass | 12 months | 5 |
| 111 | Trade Apprentice – Data Entry Operator (Skill Certificate Holders) | Class XII pass with Skill Certificate in “Domestic Data Entry Operator” | 12 months | 1 |
Eligibility Criteria
Age Limit
| Category | Age Limit (as on 30.06.2026) |
|---|---|
| General/EWS | Minimum 18 years, Maximum 24 years |
| SC/ST | Up to 5 years relaxation |
| OBC (NCL) | Up to 3 years relaxation |
| PwBD | Up to 10 years relaxation (irrespective of reservation) |
| PwBD + SC/ST | Additional 5 years relaxation |
| PwBD + OBC (NCL) | Additional 3 years relaxation |
Educational Qualification (Code‑wise)
- Codes 101/103: 3‑year B.Sc. (Maths, Physics, Chemistry/Industrial Chemistry) with minimum 50% aggregate (45% for SC/ST/PwBD).
- Code 102: Matriculation with ITI in Fitter Trade (minimum 2 years, Pass class).
- Code 104: 3‑year Diploma in Chemical/Petrochemical Engineering/Technology.
- Code 105: 3‑year Diploma in Mechanical Engineering.
- Code 106: 3‑year Diploma in Electrical or Electrical & Electronics Engineering.
- Code 107: 3‑year Diploma in Instrumentation Engineering/related fields.
- Code 108: 3‑year B.A./B.Sc./B.Com.
- Code 109: 3‑year B.Com.
- Code 110: Class XII pass.
- Code 111: Class XII pass with Skill Certificate in “Domestic Data Entry Operator”.
Only one code can be selected; applying for multiple codes leads to rejection. Candidates with higher qualifications (BE/B.Tech, MBA, CA, etc.), work experience of ≥1 year, or qualifications obtained >5 years before the eligibility date are ineligible.
Application Fee
The official notification states that there is no application fee for any category of candidates.
Important Dates
| Opening of online application (NAPS/NATS portal & Microsoft Forms) | 08 July 2026 (10:00 Hrs) |
| Last date to submit online application | 31 July 2026 (17:00 Hrs) |
| Tentative publication of list of candidates called for Document Verification | 05 August 2026 |
| Tentative Document Verification dates | 11 August 2026 to 18 August 2026 |
| Date of reckoning eligibility (age & qualification) | 30 June 2026 |
Selection Process
- A merit list is prepared based on the aggregate percentage of marks obtained in the qualifying qualification, in descending order.
- Preference is given to candidates applying for apprenticeship training for the first time.
- In case of a tie, the older candidate (by date of birth) is ranked higher; if the date of birth is also same, higher percentage in Matriculation is considered.
- PwBD candidates receive relaxation in qualifying marks and are considered against reserved seats within their category.
- Shortlisted candidates are called for Document Verification followed by a pre‑engagement medical fitness examination.
How to Apply
- Visit the official IOCL website and navigate to “What’s New” → “Engagement of Apprentices under AOD Digboi Refinery Unit”.
- Download the official notification (PDF) and read it carefully.
- Register on the NAPS/NATS portal (or Microsoft Forms) using your valid email address.
- Fill in personal details, select the desired trade/discipline code (only one code allowed), and upload scanned copies of required documents (educational certificates, age proof, etc.).
- Review all entered information, confirm that the eligibility criteria are met, and submit the application before 31 July 2026, 17:00 Hrs.
- After successful submission, take a print‑out of the registration confirmation for future reference.
Important Links
- Apply Online (NAPS Portal – Codes 101,102,103,108,109,110,111): Click Here
- Apply Online (NATS Portal – Codes 104,105,106,107): Click Here
- Apply Online: Click here
- Official Notification PDF: Click here
- Official Website: Click here
FAQs
- What is the total number of apprentice vacancies?
There are 126 vacancies across various trade and technician streams. - When does the online application start and end?
Applications open on 08 July 2026 (10:00 Hrs) and close on 31 July 2026 (17:00 Hrs). - Is there any application fee?
No. The recruitment does not require any application fee for any category. - What is the age limit for General/EWS candidates?
Candidates must be between 18 and 24 years as of 30 June 2026. - Can I apply for more than one trade code?
No. Applicants are allowed to select only one code; applying for multiple codes will lead to rejection. - How are candidates selected?
Selection is purely merit‑based on the aggregate percentage of marks obtained in the qualifying qualification. - Where can I find the official notification PDF?
The notification is available on the IOCL website under the “What’s New” section for the Digboi Refinery apprenticeship engagement.