IOCL AOD Digboi Refinery Apprentice Recruitment 2026: Apply Online for 126 Posts

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• Updated July 09, 2026 11:05 AM
• by Abisha Muthukumar Officially Verified
• Applications closed on 31 July 2026. The original recruitment details are preserved below.
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• Indian Oil Corporation Limited (IOCL), AOD Digboi Refinery has released Advertisement No. AOD-DR/TA-2026-27 dated 07.07.2026 inviting online applications for engagement of 126 Trade and Technician Apprentices under the Apprentices Act, 1961/1973. Eligible candidates with the required qualification in Chemical, Mechanical, Electrical, Instrumentation, Secretarial, Accounts and Data Entry Operator streams can apply through the NAPS/NATS portal from 08.07.2026 to 31.07.2026.
• This article covers complete details of IOCL Digboi Apprentice Recruitment 2026, including vacancy breakup, eligibility criteria, age limit, selection process, required documents and the step-by-step online application procedure.

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IOCL Digboi Apprentice Recruitment 2026: Quick Overview

• Also Read: IOCL Apprentice Recruitment 2026 - Apply Online for 1524 Trade / Technician Apprentice Posts

IOCL Digboi Apprentice Important Dates

IOCL Digboi Apprentice Vacancy Details 2026

• A total of 126 seats have been notified across 11 trade/discipline codes. The seat numbers indicated are tentative and may vary at the discretion of the management.
• Note: PwBD candidates can apply only against seats identified under Codes 105, 106, 107, 108 and 110.

Educational Qualification (Code-wise)

• Code 101/103: 3-year B.Sc. with Maths, Physics, Chemistry or Industrial Chemistry.
• Code 102: Matriculation with ITI in Fitter Trade (minimum 2 years duration) with Pass class.
• Code 104: 3-year Diploma in Chemical Engg./Petrochemical Engg./Chemical Technology/Refinery and Petrochemical Engg.
• Code 105: 3-year Diploma in Mechanical Engg.
• Code 106: 3-year Diploma in Electrical Engg. or Electrical and Electronics Engg.
• Code 107: 3-year Diploma in Instrumentation Engg./Instrumentation & Electronics/Instrumentation & Control Engg./Applied Electronics and Instrumentation Engg.
• 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 holder in "Domestic Data Entry Operator."
• Minimum 50% aggregate marks are required (45% for SC/ST/PwBD candidates against reserved seats), and the qualification must be from a recognized Board/University/Institute through a regular full-time course. Distance/correspondence qualifications are not eligible. A candidate with B.Sc. (Physics, Maths, Chemistry/Industrial Chemistry) can apply for only one of Code 101 or Code 103. Candidates applying for more than one trade/discipline will be summarily rejected.
• Candidates whose qualifying exam result is awaited, who hold higher qualifications (BE/B.Tech, MBA, CA, LLB, MCA or equivalent), who have relevant job experience of 1 year or more after acquiring the qualification, or who completed the qualification more than 5 years before the eligibility date are not eligible.
• Also Read: CCRUM Recruitment 2026 Notification Out - Apply Online for 179 Staff Nurse, MTS and More Posts

Age Limit

• The Marksheet/Certificate issued by the Board of Secondary Education for Class X (Matriculation) is the only document accepted as proof of age.

Application Fee

• The official notification does not mention any application fee for any category of candidates.

Selection Process

• There is no written test for this recruitment. Selection is purely merit-based:
• A merit list is prepared based on the percentage of marks (aggregate of all subjects across all years/semesters) obtained in the prescribed qualification, in descending order.
• Preference is given to candidates applying for apprenticeship training for the first time.
• In case of a tie in marks, the candidate senior in age (date of birth) is ranked higher; if the date of birth is also the same, higher percentage in Matriculation is considered.
• PwBD candidates who avail relaxation in qualifying marks are considered against reserved seats based on merit within their category.
• Shortlisted candidates are called for Document Verification, followed by pre-engagement medical fitness examination.

Documents Required at Document Verification

• 10th Pass/Matriculation certificate (proof of date of birth)
• Class XII marksheet / Semester-wise ITI (Fitter) marksheets / Diploma / Graduation marksheets, as applicable
• Final Class XII / ITI (Fitter) / Diploma / Graduation certificate
• CGPA/OGPA/Letter Grade to percentage conversion certificate, if applicable
• Certificate from Principal/Institute confirming date of result publication, regular full-time mode, and good conduct
• Category certificate: SC/ST/OBC (NCL) with declaration, Disability Certificate, or EWS Income & Asset Certificate, as applicable
• Skill Certificate in "Domestic Data Entry Operator" (for Code 111 candidates only)
• Printout of NATS/NAPS portal registration with applicant details
• Affidavit as per Annexure-A confirming compliance with apprenticeship eligibility conditions
• One original Photo ID proof (Aadhar Card/PAN Card/Voter ID/Driving License/Passport)

How to Apply for IOCL Digboi Apprentice Recruitment 2026

• The application process has two mandatory steps. Both must be completed for the application to be considered.

Important Instructions

• Candidates can apply for only one trade/discipline of their choice.
• Furnishing false or incorrect information at any stage will lead to cancellation of candidature and possible criminal prosecution.
• SC/ST/PwBD candidates attending Document Verification will be reimbursed single second-class railway fare (if distance is 30 km or more) from the nearest railway station to the venue and back.
• Any corrigendum/addendum related to this recruitment will be published only on www.iocl.com.
• Canvassing in any form will make a candidate ineligible.
• Disputes are subject to the jurisdiction of the local court at Digboi.
• IOCL has cautioned candidates to be aware of fraudulent job offers and to rely only on information from www.iocl.com and official Employment News/Press Notifications.

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IOCL Apprentice 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
• Join Arattai Channel: Click Here
• Join Telegram Channel: Click Here
• Join WhatsApp Channel: Click Here
• Sarkari Result: Click Here
• Download Mobile App: Click Here
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• Have a Question About This Job?
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• Apply Online (NAPS Portal – Codes 101,102,103,108,109,110,111): Click Here ↗Source-provided destination — verify before signing in or paying.
• Apply Online (NATS Portal – Codes 104,105,106,107): Click Here ↗Source-provided destination — verify before signing in or paying.
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Q1. How many vacancies are there in IOCL Digboi Apprentice Recruitment 2026?

• There are a total of 126 apprentice vacancies across 11 trade and technician disciplines, including Chemical, Mechanical, Electrical, Instrumentation, Secretarial Assistant, Accountant, and Data Entry Operator.

Q5. What is the age limit for IOCL Digboi Apprentice Recruitment 2026?

• The minimum age is 18 years and the maximum age is 24 years as on 30.06.2026 for General/EWS candidates, with relaxation applicable for SC/ST/OBC(NCL)/PwBD candidates.

Q6. Is there an application fee for IOCL Apprentice Recruitment?

• The official notification does not mention any application fee.