IOCL Digboi Refinery Apprentice Recruitment 2026

Qualification: 10th with ITI / 12th Pass / Diploma / B.Sc / B.A / B.Com, depending on trade or discipline

Code 101 – Trade Apprentice, Attendant Operator (Chemical Plant), Chemical: Candidates must possess a 3-year B.Sc degree with Mathematics, Physics and Chemistry or Industrial Chemistry. Code 102 – Trade Apprentice (Fitter), Mechanical: Candidates must have passed Matriculation and completed ITI in Fitter Trade of minimum 2 years duration with Pass class. Code 103 – Trade Apprentice (Boiler), Mechanical: Candidates must possess a 3-year B.Sc degree with Mathematics, Physics and Chemistry or Industrial Chemistry. Code 104 – Technician Apprentice, Chemical: Candidates must possess a 3-year Diploma in Chemical Engineering, Petrochemical Engineering, Chemical Technology, or Refinery and Petrochemical Engineering. Code 105 – Technician Apprentice, Mechanical: Candidates must possess a 3-year Diploma in Mechanical Engineering. Code 106 – Technician Apprentice, Electrical: Candidates must possess a 3-year Diploma in Electrical Engineering or Electrical and Electronics Engineering. Code 107 – Technician Apprentice, Instrumentation: Candidates must possess a 3-year Diploma in Instrumentation Engineering, Instrumentation and Electronics, Instrumentation and Control Engineering, or Applied Electronics and Instrumentation Engineering. Code 108 – Trade Apprentice, Secretarial Assistant: Candidates must possess a 3-year B.A., B.Sc or B.Com degree. Code 109 – Trade Apprentice, Accountant: Candidates must possess a 3-year B.Com degree. Code 110 – Trade Apprentice, Data Entry Operator (Fresher Apprentices): Candidates must have passed Class XII. Code 111 – Trade Apprentice, Data Entry Operator (Skill Certificate Holders): Candidates must have passed Class XII and possess a Skill Certificate in “Domestic Data Entry Operator.” Minimum Marks: Candidates must have secured at least 50% aggregate marks in the prescribed qualification. The minimum requirement is 45% for SC, ST and PwBD candidates applying against reserved seats. Course Mode: The prescribed qualification must be obtained through a regular full-time course from a recognized Board, University or Institute. Distance or correspondence qualifications are not eligible. One Discipline Rule: Candidates can apply for only one trade or discipline. A candidate with B.Sc in Physics, Mathematics and Chemistry/Industrial Chemistry can apply for only one of Code 101 or Code 103. Not Eligible: Candidates awaiting their qualifying examination result are not eligible. Higher Qualification Restriction: Candidates possessing higher professional qualifications such as BE/B.Tech, MBA, CA, LLB, MCA or equivalent are not eligible. Experience Restriction: Candidates having relevant job experience of one year or more after acquiring the prescribed qualification are not eligible. Qualification Passing Period: Candidates who completed the prescribed qualification more than five years before the eligibility date are not eligible. PwBD Restriction: PwBD candidates can apply only against seats identified under Codes 105, 106, 107, 108 and 110.

18 to 24 years as on 30-06-2026

• 10th Pass/Matriculation Certificate as proof of date of birth
• Class XII Marksheet, if applicable
• Semester-wise ITI Fitter Marksheets, if applicable
• Diploma Marksheets, if applicable
• Graduation Marksheets, if applicable
• Final Class XII Certificate, if applicable
• Final ITI Fitter Certificate, if applicable
• Final Diploma Certificate, if applicable
• Final Graduation Certificate, if applicable
• CGPA/OGPA/Letter Grade to Percentage Conversion Certificate, if applicable
• Certificate from Principal/Institute confirming date of result publication, regular full-time course mode and good conduct
• SC/ST Certificate, if applicable
• OBC (NCL) Certificate with required declaration, if applicable
• Disability Certificate, if applicable
• EWS Income and Asset Certificate, if applicable
• Skill Certificate in Domestic Data Entry Operator for Code 111
• Printout of NATS/NAPS Portal Registration showing applicant details
• Affidavit as per Annexure-A confirming compliance with apprenticeship eligibility conditions
• Original Photo Identity Proof such as Aadhaar Card, PAN Card, Voter ID, Driving Licence or Passport

1. 1Preparation of Merit List based on marks obtained in the prescribed qualification
2. 2Preference to candidates applying for apprenticeship training for the first time
3. 3Document Verification
4. 4Pre-Engagement Medical Fitness Examination

No written examination will be conducted for IOCL Digboi Refinery Apprentice Recruitment 2026. Selection is purely merit-based and depends on the aggregate percentage of marks obtained across all subjects and all years or semesters of the prescribed qualifying examination. In case two or more candidates have equal marks, the candidate older in age will receive a higher position in the merit list. If the date of birth is also the same, the candidate with the higher percentage of marks in Matriculation will be ranked higher.

No written test syllabus has been prescribed because the recruitment process does not include a written examination. Candidates will be shortlisted through a merit list prepared from marks obtained in the required qualifying examination. Applicants should ensure that all marks entered in the application are accurate and supported by valid marksheets and certificates. Candidates shortlisted on merit will be required to complete document verification and a pre-engagement medical fitness examination.

Identify the correct trade or discipline code for which you are eligible. Candidates applying for Codes 101, 102, 103, 108, 109, 110 and 111 must register and apply through the NAPS portal. On the NAPS portal, search for the apprenticeship opportunity using the IOCL Refinery Unit location and select the relevant trade. The NAPS Establishment ID for Digboi Refinery is E01201800001. Candidates applying for Codes 104, 105, 106 and 107 must register through the NATS/Board of Apprenticeship Training portal. NATS applicants must apply to the relevant notification available on their dashboard. The NATS Establishment ID for Digboi Refinery is EASTIC000002. After completing the applicable NAPS or NATS application, mandatorily submit additional details through the specified Microsoft Form. Use the same email ID and mobile number in both the NAPS/NATS registration and Microsoft Form. Ensure that the Enrollment ID, Student ID, Registration Number and other details match exactly in both stages of the application. Submit only one Microsoft Form response because only one response per candidate is permitted. Complete both the portal application and Microsoft Form submission by 31 July 2026 up to 17:00 Hrs.

Introduction Indian Oil Corporation Limited has released IOCL Digboi Refinery Apprentice Recruitment 2026 for the engagement of Trade and Technician Apprentices at AOD Digboi Refinery. The recruitment has been announced under Advertisement No. AOD-DR/TA-2026-27. A total of 126 apprenticeship seats are available across 11 trade and discipline codes. Eligible candidates can apply from 08 July to 31 July 2026 through the prescribed online process. Vacancy Overview The recruitment includes 126 seats for Trade and Technician Apprentices. The vacancies are distributed among Chemical, Mechanical, Electrical, Instrumentation, Secretarial Assistant, Accountant and Data Entry Operator disciplines. The highest number of seats is available for Trade Apprentice – Attendant Operator (Chemical Plant), Chemical with 40 positions. Technician Apprentice, Mechanical has 30 seats, followed by Secretarial Assistant with 16 seats. Other notified vacancies include Technician Apprentice Electrical, Technician Apprentice Chemical, Fitter, Boiler, Instrumentation, Accountant and two categories of Data Entry Operator. The notified seat numbers are tentative and may vary at the discretion of management. Eligibility Educational qualification depends on the trade or discipline selected by the candidate. Eligible qualifications include a 3-year B.Sc with specified science subjects, Matriculation with a minimum 2-year ITI in Fitter Trade, a 3-year engineering Diploma in the relevant discipline, B.A, B.Sc, B.Com, or Class XII. Code 111 candidates must also possess a Skill Certificate in Domestic Data Entry Operator. Candidates must generally have at least 50% aggregate marks in the prescribed qualification. SC, ST and PwBD candidates applying against reserved seats require at least 45% marks. The qualification must be from a recognized Board, University or Institute and completed through a regular full-time course. Distance and correspondence qualifications are not accepted. Candidates awaiting their qualifying examination results are not eligible. Applicants possessing specified higher professional qualifications, having one year or more of relevant post-qualification work experience, or having completed the prescribed qualification more than five years before the eligibility date are also not eligible. Age Limit The minimum age is 18 years and the maximum age is 24 years as on 30 June 2026 for General and EWS candidates. SC and ST candidates can receive up to five years of relaxation for reserved positions. OBC (NCL) candidates can receive up to three years of relaxation for reserved positions. PwBD candidates are eligible for up to ten years of age relaxation irrespective of reservation, with additional relaxation for eligible PwBD candidates belonging to SC, ST or OBC (NCL) categories. The Class X or Matriculation certificate issued by the Board of Secondary Education will be accepted as proof of age. Salary The exact monthly stipend amount is not mentioned in the available recruitment information. Apprentices will receive a stipend according to the rates prescribed under the Apprentices Act, Apprentices Rules and applicable IOCL guidelines. Apprentices under Codes 101 to 107 will receive one pair of safety shoes and a helmet. These items are returnable after completion of training. No HRA or company accommodation will be provided. Apprentices are also covered under Accident Insurance and are eligible for prescribed leave during the training period. Selection Process There is no written examination for this recruitment. A merit list will be prepared according to the aggregate percentage of marks obtained in all subjects across all years or semesters of the prescribed qualification. Preference will be given to candidates applying for apprenticeship training for the first time. If candidates have equal qualifying marks, the older candidate will be ranked higher. If their dates of birth are also the same, the candidate with the higher percentage in Matriculation will receive preference. Shortlisted candidates will be called for document verification. Candidates completing the verification stage will be required to undergo a pre-engagement medical fitness examination. Application Process The application process consists of two mandatory stages. Candidates applying for Codes 101, 102, 103, 108, 109, 110 and 111 must register and apply through the NAPS portal. The NAPS Establishment ID for Digboi Refinery is E01201800001. Candidates applying for Codes 104, 105, 106 and 107 must register and apply through the NATS/BOAT portal. The NATS Establishment ID is EASTIC000002. After applying through the appropriate NAPS or NATS portal, every candidate must submit additional details through the specified Microsoft Form. The same email address and mobile number should be used in both stages. Registration numbers, enrollment details and other information must also match. Only one Microsoft Form response is permitted for each candidate. Incomplete applications or applications that do not satisfy the eligibility conditions will be rejected. Important Dates Notification Date: 07 July 2026 Online Application Start Date: 08 July 2026 at 10:00 Hrs Online Application Last Date: 31 July 2026 at 17:00 Hrs Eligibility Reckoning Date: 30 June 2026 Tentative Publication of Candidates Called for Document Verification: 05 August 2026 Tentative Document Verification Dates: 11 August to 18 August 2026 Candidates must complete both the relevant NAPS/NATS application and the Microsoft Form submission within the prescribed application period. Conclusion IOCL Digboi Refinery Apprentice Recruitment 2026 offers 126 apprenticeship training opportunities across 11 trade and technician disciplines. The recruitment is open to eligible candidates with qualifications ranging from Matriculation with ITI and Class XII to Diploma and graduation, depending on the selected discipline. The selection process is merit-based and does not include a written examination. Candidates shortlisted through the qualifying marks merit list will proceed to document verification and a pre-engagement medical fitness examination. Eligible candidates should apply through the correct NAPS or NATS portal and complete the mandatory Microsoft Form before 31 July 2026 at 17:00 Hrs. Applicants should carefully check all eligibility conditions and ensure that the information submitted in both stages is accurate and consistent. Completion of apprenticeship training does not create any right to permanent employment with IOCL.