IOCL Digboi Refinery Apprentice Recruitment 2026 – Apply Online for 108 Vacancies from July 8

Indian Oil Corporation Limited (IOCL) has invited online applications for IOCL Digboi Refinery Apprentice Recruitment 2026 under its Apprentice Engagement Notification for the AOD Digboi Refinery unit in Assam. The notification, dated 07.07.2026 (Advertisement No. AOD-DR/TA-2026-27), has been issued as part of IOCL’s Skill Building Initiative for the Nation under the Apprentices Act, 1961/1973 (as amended).

The IOCL Digboi Refinery apprentice online form is open from 8 July 2026 to 31 July 2026, and candidates must apply through both the NAPS/NATS portal and a mandatory Microsoft Forms submission. This article covers everything a candidate needs trade-wise vacancy details, eligibility criteria, age limit, selection methodology, documents required, and the exact application steps based entirely on the official notification.

Official Notification PDF: IOCL Digboi Refinery Apprentice Recruitment 2026

IOCL Digboi Refinery Apprentice Recruitment 2026 – Overview

IOCL Digboi Refinery Apprentice Vacancy Details (Trade-Wise)

The IOCL Digboi Refinery Apprentice Recruitment 2026 vacancy is spread across 11 trade/discipline codes, covering Chemical, Mechanical, Electrical, Instrumentation and Secretarial/Data Entry streams. The seat distribution, including category-wise reservation, is given below.

Note: The number of seats is tentative and may increase or decrease at the discretion of IOCL management, in line with reservation guidelines applicable at the time of engagement. PwBD (Persons with Benchmark Disability) candidates can apply only against identified seats under Codes 105, 106, 107, 108 and 110.

IOCL Digboi Refinery Apprentice Eligibility Criteria 2026

Educational Qualification

Eligibility varies by trade code candidates must have already passed the prescribed qualification as on the cut-off date; results awaited are not accepted. Key qualification rules include:

• Graduate/Diploma candidates need a minimum of 50% aggregate marks (45% for SC/ST/PwBD candidates against reserved seats) from a recognized Board/University/Institute, pursued as a regular full-time course.
• Only the specific subjects/streams listed against each trade code are accepted; unrelated branches are not considered.
• Candidates with correspondence/distance/part-time qualifications are not eligible.
• A B.Sc. (Physics, Maths, Chemistry/Industrial Chemistry) candidate may apply for only one of Code 101 or Code 103 not both.
• Applying for more than one trade/discipline leads to summary rejection of the application.
• Candidates holding higher qualifications such as BE/B.Tech, MBA, CA, LLB or MCA (completed on or before joining) are not eligible.
• Engineering graduates/diploma holders with one year or more of job experience after qualifying are not eligible.
• Candidates who completed their qualification more than five years before the cut-off date are also not eligible.

Age Limit

• Minimum age: 18 years
• Maximum age: 24 years (for General/EWS candidates)
• Cut-off date for age and qualification: 30 June 2026
• Age relaxation: 5 years for SC/ST, 3 years for OBC (NCL), 10 years for PwBD candidates (irrespective of reservation), with additional relaxation for PwBD candidates from SC/ST/OBC(NCL) backgrounds.

Category-Wise Reservation

Reservation for the IOCL Digboi Refinery Apprentice Recruitment 2026 follows the prescribed government norms for UR, EWS, SC, ST, OBC(NCL) and PwBD categories, as reflected in the seat matrix table above. Standard de-reservation and inter-se adjustment rules (SC↔ST↔OBC↔UR) apply if a category’s seats cannot be filled from eligible candidates.

Selection Process for IOCL Digboi Refinery Apprentice 2026

Unlike many recruitment drives, this engagement involves no written examination. Selection is purely merit-based, following these rules:

1. Merit is determined by the percentage of aggregate marks (across all years/semesters) obtained in the prescribed qualification, in descending order.
2. Preference is given to candidates applying for apprenticeship for the first time.
3. In case of a tie in marks, the older candidate (by date of birth) ranks higher; if birth dates also match, higher Matriculation marks decide the rank.
4. PwBD candidates availing marks relaxation are considered against reserved seats based on their merit rank within the category.
5. Shortlisted candidates (based on merit and seat availability) are called for Document Verification, followed by a pre-engagement medical fitness examination. Only medically fit candidates receive the final offer of engagement.

Documents Required at IOCL Digboi Refinery Document Verification

Candidates shortlisted for document verification must carry originals plus self-attested copies of:

• 10th/Matriculation certificate (proof of date of birth)
• Class XII marksheet, or semester/year-wise ITI (Fitter)/Diploma/Graduation marksheets
• Final Class XII/ITI/Diploma/Graduation certificate
• CGPA/OGPA-to-percentage conversion certificate (if applicable)
• Course completion and conduct certificate from the Principal (regular full-time mode)
• SC/ST/OBC(NCL)/Disability/EWS certificate, as applicable, in the prescribed format
• Domestic Data Entry Operator skill certificate (for Code 111 candidates)
• Print of NAPS/NATS portal registration with applicant details
• Affidavit as per Annexure-A (undertaking on apprenticeship eligibility compliance)
• One original photo ID (Aadhaar/PAN/Voter ID/Driving Licence/Passport)

How to Apply for IOCL Digboi Refinery Apprentice Recruitment 2026

The application process has two mandatory steps skipping either one means the application will not be considered.

Step 1: Registration and Application on NAPS/NATS Portal

• For Codes 101, 102, 103, 108, 109, 110, 111: Register on the NAPS portal https://apprenticeshipindia.gov.in select “Apprenticeship Opportunities,” choose the IOCL Refinery Unit location, and apply to the relevant trade.
• For Codes 104, 105, 106, 107: Register on the NATS/Board of Apprenticeship Training (BOAT) portal https://nats.education.gov.in then apply to the IOCL AOD Digboi Refinery advertisement from your dashboard.
• Use the Establishment ID for AOD Digboi Refinery: NATS – EASTIC000002 | NAPS – E01201800001
• Double-check that personal details, educational details, category and aggregate percentage are correctly reflected before applying.

Step 2: Fill the Mandatory Microsoft Form

• After applying on NAPS/NATS, candidates must also submit details via the official Microsoft Form: https://forms.office.com/r/g0ZP2igeTa
• Submit only one response; ensure enrolment/registration numbers match exactly across both steps.
• Use the same email ID and mobile number registered on NAPS/NATS these must remain valid for the entire apprenticeship period.

Both steps must be completed within the application window for the candidature to be considered valid. Incomplete or offline applications will be treated as rejected.

IOCL Digboi Refinery Apprentice 2026: Important Dates

Other Key Conditions

• Stipend: Paid as per the Apprentices Act/Rules and IOCL’s guidelines; specific amounts are not fixed in the notification and depend on applicable rules.
• PPE: Apprentices under Codes 101-107 receive one pair of safety shoes and a helmet (returnable after training).
• Accommodation/HRA: Not provided.
• Leave: 32 days of General Leave (8 days/quarter) and 12 days of Casual Leave per year (pro-rata); unused leave lapses at the end of the apprenticeship.
• Insurance: Apprentices are covered under accident insurance.
• No employment guarantee: Completion of apprenticeship does not entitle candidates to a job offer from IOCL.

IOCL Digboi Refinery Apprentice Recruitment 2026 – FAQs