Indian Oil Corporation Limited (IOCL) — India’s largest commercial undertaking and a Fortune Global 500 Maharatna PSU — has released Advertisement No. GR/P/APP/2026-27 dated 29 June 2026 inviting online applications for 102 Apprentice posts at its Guwahati Refinery Unit, Assam, under the Apprentices Act, 1961/1973 (as amended).
The engagement covers 11 post codes (101–111) across two categories: Trade Apprentice (Attendant Operator–Chemical Plant, Fitter, Boiler, Secretarial Assistant, Accountant, Data Entry Operator Fresher, Data Entry Operator Skill Certificate Holders) and Technician Apprentice (Chemical, Mechanical, Electrical, Instrumentation Engineering).
Eligible candidates must apply online at iocl.com using the NAPS portal (apprenticeshipindia.gov.in) for codes 101–103, 108–111, and the NATS portal (nats.education.gov.in) for codes 104–107, from 29 June 2026 (10:00 hrs) to 28 July 2026 (17:00 hrs).
- Age: 18–24 years (as on 30-06-2026)
- Minimum qualification marks: 50% aggregate (45% for SC/ST/PwBD)
- No written test — selection entirely on marks in qualifying examination
- Document Verification: 11–18 August 2026
- Stipend as per Apprentices Act
- No employment obligation on IOCL upon completion
Quick Stats
- Total Posts: 102
- Post Codes: 11
- Last Date to Apply: 28 July 2026
- Document Verification: 11–18 August 2026
- Minimum Marks (General): 50%
- Age (as on 30-06-2026): 18–24 years
1. Recruitment Overview
| Particulars | Details |
|---|---|
| Organisation | Indian Oil Corporation Limited (IOCL) — Fortune Global 500 Maharatna CPSE, Govt. of India. Unit: Guwahati Refinery, Noonmati, Guwahati, Assam |
| Advertisement Number | GR/P/APP/2026-27 dated 29 June 2026 |
| Programme | Engagement of Apprentices under the Apprentices Act, 1961/1973 (as amended) — Skill Building Initiative |
| Total Posts | 102 posts across 11 trade/discipline codes (101 to 111) |
| Post Type | NOT permanent/regular/contract employment. Fixed-period apprenticeship training only. No employment obligation upon completion |
| Apply Portal | iocl.com (What’s New → Guwahati Refinery Apprentice) via NAPS (codes 101–103, 108–111) and NATS (codes 104–107) |
| Application Opens | 29 June 2026 (10:00 hrs) |
| Last Date to Apply | 28 July 2026 (17:00 hrs) — both NAPS/NATS and Microsoft Form must be submitted |
| Tentative DV Shortlist | 5 August 2026 |
| Document Verification | 11–18 August 2026, at IOCL Guwahati Refinery |
| Selection Method | No written test. Pure marks-based merit, descending order of aggregate %. Tiebreaker: older DOB → higher 10th marks |
| Minimum Marks | 50% aggregate (General/EWS); 45% aggregate (SC/ST/PwBD) |
| Age Limit (as on 30-06-2026) | 18–24 years General/EWS. SC/ST +5 yrs (up to 29); OBC-NCL +3 yrs (up to 27); PwBD +10 yrs (any category) |
| Date of Reckoning | 30 June 2026 (for age and qualification) |
| Mode of Application | Online only — Step I (NAPS/NATS) and Step II (Microsoft Form) both compulsory |
| Application Fee | Nil for all categories |
| Employment on Completion | No obligation — completion does not entitle candidate to claim employment |
| Official Website | iocl.com; NAPS: apprenticeshipindia.gov.in; NATS: nats.education.gov.in |
| Contact | grrecruitment@indianoil.in | 0361-2657001 | Jurisdiction: Courts at Guwahati, Assam |
2. Post-wise Vacancy — All 11 Codes (101–111)
| Code | Post Name | Total | UR | EWS | SC | ST | OBC(NCL) | PwBD | Duration |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Trade App. — Attendant Operator (Chemical Plant) | 17 | 7 | 2 | 1 | 2 | 5 | 0 | 12 months |
| 102 | Trade App. — Fitter | 4 | 2 | 0 | 0 | 1 | 1 | 0* | 12 months |
| 103 | Trade App. — Boiler | 8 | 3 | 1 | 1 | 1 | 2 | 0 | 24 months |
| 104 | Technician App. — Chemical | 21 | 9 | 2 | 2 | 3 | 5 | 0 | 12 months |
| 105 | Technician App. — Mechanical | 14 | 7 | 1 | 1 | 1 | 4 | 1* | 12 months |
| 106 | Technician App. — Electrical | 14 | 6 | 1 | 1 | 2 | 4 | 0* | 12 months |
| 107 | Technician App. — Instrumentation | 4 | 2 | 1 | 0 | 0 | 1 | 1* | 12 months |
| 108 | Trade App. — Secretarial Assistant | 14 | 6 | 1 | 1 | 2 | 4 | 1* | 15 months |
| 109 | Trade App. — Accountant | 1 | 1 | 0 | 0 | 0 | 0 | 0* | 12 months |
| 110 | Trade App. — Data Entry Operator (Fresher) | 4 | 2 | 1 | 0 | 0 | 1 | 1* | 12 months |
| 111 | Trade App. — Data Entry Operator (Skill Certificate) | 1 | 1 | 0 | 0 | 0 | 0 | 0* | 12 months |
| TOTAL | 102 | 46 | 10 | 7 | 12 | 23 | 4 | — |
Vacancy Notes:
- Seat numbers are tentative — may increase or decrease at management’s discretion, as per Presidential Directives on reservation.
- PwBD seats (marked *) exist only for codes 102, 105, 106, 107, 108, 109, 110, and 111. Codes 101, 103, and 104 have no PwBD seats (hazardous plant processes).
- PwBD reservation is on a horizontal basis, against notified numbers in identified trades/disciplines only.
3. Eligibility Criteria — Education, Age & Marks
Qualification by Code
| Code | Post | Required Qualification | Min. Marks | Duration |
|---|---|---|---|---|
| 101 | Trade App. — Attendant Operator (Chemical) | 3-yr B.Sc. (Maths, Physics, Chemistry/Industrial Chemistry), regular full-time | 50% (45% SC/ST/PwBD) | 12 months |
| 102 | Trade App. — Fitter | Matriculation (10th) + ITI Fitter Trade, min. 2 years (NCVT/SCVT) | 50% (45% SC/ST/PwBD) | 12 months |
| 103 | Trade App. — Boiler | 3-yr B.Sc. (Maths, Physics, Chemistry/Industrial Chemistry), regular full-time | 50% (45% SC/ST/PwBD) | 24 months |
| 104 | Technician App. — Chemical | 3-yr Diploma in Chemical/Petrochemical Engg/Chemical Technology/Refinery & Petrochemical Engg | 50% (45% SC/ST/PwBD) | 12 months |
| 105 | Technician App. — Mechanical | 3-yr Diploma in Mechanical Engineering | 50% (45% SC/ST/PwBD) | 12 months |
| 106 | Technician App. — Electrical | 3-yr Diploma in Electrical Engg/Electrical & Electronics Engg | 50% (45% SC/ST/PwBD) | 12 months |
| 107 | Technician App. — Instrumentation | 3-yr Diploma in Instrumentation Engg/Instrumentation & Electronics/Instrumentation & Control Engg | 50% (45% SC/ST/PwBD) | 12 months |
| 108 | Trade App. — Secretarial Assistant | 3-yr B.A./B.Sc./B.Com, regular full-time | 50% (45% SC/ST/PwBD) | 15 months |
| 109 | Trade App. — Accountant | 3-yr B.Com, regular full-time | 50% (45% SC/ST/PwBD) | 12 months |
| 110 | Trade App. — DEO (Fresher) | Class XII pass, regular | 50% (45% SC/ST/PwBD) | 12 months |
| 111 | Trade App. — DEO (Skill Cert.) | Class XII pass + Skill Certificate in ‘Domestic Data Entry Operator’ (NSQF/Central Govt. recognised) | 50% (45% SC/ST/PwBD) | 12 months |
Age Limit by Category (as on 30-06-2026)
| Category | Age Range | Relaxation |
|---|---|---|
| General / EWS | 18–24 years | None |
| OBC (Non-Creamy Layer) | 18–27 years | 3 years |
| SC / ST | 18–29 years | 5 years |
| PwBD (General/EWS) | 18–34 years | 10 years |
| PwBD (OBC-NCL) | 18–37 years | 13 years (10+3) |
| PwBD (SC/ST) | 18–39 years | 15 years (10+5) |
Age proof: only the 10th/Matriculation Certificate from the concerned Board is accepted.
Critical Disqualification Conditions
- B.Sc. (Physics, Maths, Chemistry) holders may apply for only ONE trade: Code 101, 103, or 108.
- B.Com holders may apply for only ONE trade: Code 108 or 109.
- Applying to more than one trade/discipline results in summary rejection of ALL applications.
- Candidates with a higher qualification (B.E./B.Tech, MBA, CA, LLB, MCA or equivalent) — or who complete one before joining — are NOT eligible.
- Candidates who completed the same trade apprenticeship elsewhere without a minimum 1-year gap are ineligible.
- Candidates with 1 year or more of job experience after acquiring the qualifying qualification are NOT eligible.
- Candidates who passed the qualifying exam more than 5 years before 30-06-2026 are NOT eligible.
- Part-time/correspondence/distance education qualifications are not accepted — regular full-time only.
- Lateral entry diploma holders (admitted in 2nd year) are eligible if 50% aggregate across all semesters is met.
4. Important Dates
| Event | Date | Status |
|---|---|---|
| Notification released & application opens | 29 June 2026 (10:00 hrs) | Live |
| Last date to apply online (both Step I and Step II) | 28 July 2026 (17:00 hrs) | Upcoming |
| Tentative list for Document Verification published | 5 August 2026 | Tentative |
| Document Verification (DV) | 11–18 August 2026 | Tentative |
| Pre-engagement medical fitness examination | To be notified | TBA |
| Offer of engagement | To be notified | TBA |
Note: DV dates (11–18 August 2026) and shortlist publication (5 August 2026) are tentative and may be revised. Monitor iocl.com regularly. All corrigenda are published only on iocl.com.
5. How to Apply — Step-by-Step (Both Steps Mandatory)
Portal split:
| Codes | Portal | Website | Establishment ID |
|---|---|---|---|
| 101, 102, 103, 108, 109, 110, 111 | NAPS | apprenticeshipindia.gov.in | E08191800001 |
| 104, 105, 106, 107 | NATS | nats.education.gov.in | EASKMC000002 |
Steps:
- Check eligibility — Verify age (18–24 as on 30-06-2026), qualification passed by 30-06-2026, minimum 50%/45% marks, regular full-time course, no higher professional qualification, no disqualifying job experience, exam passed within last 5 years. B.Sc. holders may apply to only one of codes 101/103/108.
- Step I — Register & apply on NAPS or NATS portal. Codes 101–103, 108–111: register at apprenticeshipindia.gov.in, search “Apprenticeship Opportunities” for Guwahati Refinery and the relevant trade, then apply. Codes 104–107: register at nats.education.gov.in (NATS/BOAT) and apply to IOCL Guwahati Refinery from the dashboard. Ensure all profile details (name, DOB, category, marks) are correct — corrections must go through the NAPS/NATS office.
- Step II — Fill the Microsoft Form on iocl.com (mandatory). After Step I, go to iocl.com → What’s New → Engagement of Apprentices under Guwahati Refinery Unit → submit additional information via Microsoft Form, entering your NAPS/NATS registration number accurately. Submit only one response. Use the same email and mobile number as in Step I.
- Verify submission & keep acknowledgement. Confirm your application appears on your NAPS/NATS dashboard and that the Microsoft Form is acknowledged. Save screenshots and note your NAPS Enrollment Number/NATS Student ID for DV. Both steps must be completed by 28 July 2026 (17:00 hrs).
- Monitor iocl.com for the DV shortlist (~5 August 2026). Check iocl.com and your registered email. If shortlisted, prepare original documents for DV (11–18 August 2026) at IOCL Guwahati Refinery. SC/ST/PwBD candidates are reimbursed 2nd class single railway fare (shortest route, ≥30 km) for attending DV.
6. Selection Methodology — No Written Test
| Factor | Detail |
|---|---|
| Selection Basis | No written test, no interview — purely percentage of marks in descending order |
| Marks Considered | Aggregate of all subjects, all years/semesters in the qualifying exam |
| First-Time Preference | Preference given to first-time apprenticeship applicants; second-timers considered only if seats remain |
| Tiebreaker 1 | Equal percentage → candidate with older DOB ranked higher |
| Tiebreaker 2 | DOB also equal → higher Matriculation (10th) percentage ranked higher |
| PwBD Merit | PwBD candidates using the 45% relaxation are ranked within the PwBD category only |
| CGPA/Grade Conversion | Official conversion certificate from University/Institute required at DV; self-calculated % not accepted |
| Final Selection | At management’s discretion; seats may remain unfilled with no claim arising |
Reservation flexibility:
- Unfilled SC seats → ST → OBC → UR (in order, by merit)
- Unfilled ST seats → SC → OBC → UR
- Unfilled OBC-NCL seats → SC/ST → UR
- Unfilled EWS seats → UR
- Unfilled PwBD seats → filled by merit among candidates meeting minimum fitness standards
7. Document Verification — What to Bring (11–18 August 2026)
| # | Document | Notes |
|---|---|---|
| 1 | 10th/Matriculation Certificate | Mandatory DOB proof — no substitute accepted |
| 2 | Class XII Marksheet | For codes 110, 111 |
| 3 | ITI Marksheet (all years) | For Code 102 (Fitter), issued by NCVT/SCVT |
| 4 | Graduation/Diploma Marksheet (all semesters) | For codes 101, 103–109 |
| 5 | Final Degree/Diploma/ITI Certificate | From respective Board/University/Authority |
| 6 | CGPA-to-Percentage Conversion Certificate | Mandatory if CGPA/grade system used |
| 7 | Result Date Certificate from Principal | If result date not on marksheet; must confirm full-time regular mode |
| 8 | Category Certificate (SC/ST/OBC-NCL/EWS/PwBD) | OBC-NCL and EWS certificates must be valid as on 30-06-2026 |
| 9 | Skill Certificate | For Code 111 only (Domestic Data Entry Operator) |
| 10 | NAPS/NATS Portal Registration Printout | — |
| 11 | Affidavit (Annexure-A) | Confirms compliance with eligibility conditions |
| 12 | Photo ID Proof (original) | Aadhaar/PAN/Voter ID/Driving Licence/Passport |
| 13 | Medical Fitness Declaration | Declares ailments, prior PSU unfitness, criminal record |
SC/ST/PwBD candidates attending DV are reimbursed single 2nd class railway fare (shortest route, min. 30 km) on production of ticket.
8. Stipend, Leave & Other Conditions
| Benefit/Condition | Details |
|---|---|
| Monthly Stipend | As per Apprentices Act 1961/1973, Apprentices Rules 1992, and IOCL guidelines |
| HRA/Accommodation | None provided |
| Safety Equipment | Codes 101–107 get one pair of safety shoes and a helmet (returnable) |
| General Leave | 32 days total (8 days/quarter), including medical grounds |
| Casual Leave | 12 days/year, pro-rata |
| Holidays | As observed at Guwahati Refinery |
| Leave Lapse | Unused leave lapses at end of apprenticeship — no carry-forward or encashment |
| Accident Insurance | Covered during training period |
| Discipline | Governed by Certified Standing Orders applicable to workmen at Guwahati Refinery |
| Training Extension | Possible under Rule 7 of Apprentices Rules 1992 |
| Employment Guarantee | None — no right to claim employment upon completion |
9. Frequently Asked Questions
1. I have a B.Sc. (Physics, Maths, Chemistry) — which codes can I apply for?
Only one of Code 101 (Attendant Operator, Chemical Plant), Code 103 (Boiler), or Code 108 (Secretarial Assistant). Applying for more than one results in summary rejection of all applications.
2. Which codes use NAPS portal and which use NATS portal?
NAPS (apprenticeshipindia.gov.in) — codes 101, 102, 103, 108, 109, 110, 111. NATS (nats.education.gov.in) — codes 104, 105, 106, 107. All candidates must also complete the Microsoft Form on iocl.com (Step II) regardless of portal used.
3. I completed an apprenticeship before in a different trade — am I eligible?
Possibly, if the previous apprenticeship was in a different trade and there’s a minimum 1-year gap (3 months if terminated for health/financial/relocation reasons, none if employer caused termination). First-time applicants are preferred. Ineligible if your prior apprenticeship was terminated due to your own contract violation.
4. My marks are in CGPA — how do I calculate and what proof is needed?
You need an official conversion certificate from your University/Institute stating the equivalent percentage — self-calculation is not accepted. This must be produced in original at DV.
5. I have a BE/B.Tech degree — can I apply for Diploma-based codes (104–107)?
No. Higher qualifications (B.E./B.Tech, MBA, CA, LLB, MCA or equivalent) disqualify candidates, even if they also hold the relevant Diploma. This includes candidates who will complete such a qualification before the joining date.
6. Is there a written test for IOCL Guwahati Apprentice 2026?
No. Selection is purely on aggregate marks percentage, descending order, with DOB and 10th marks as tiebreakers.
7. Will I get a job at IOCL after completing the apprenticeship?
No. There’s no obligation on IOCL to offer employment, and no apprentice can claim a right to employment based on completing the training.
8. I passed my Diploma/B.Sc. 6 years ago — am I eligible?
No. Candidates who passed their qualifying exam more than 5 years before 30-06-2026 are ineligible, as are those with 1+ year of job experience since qualifying.
10. Official Links & Contact
- Official Notification PDF: iocl.com (Advt GR/P/APP/2026-27)
- IOCL Official Website: iocl.com → What’s New → Guwahati Refinery Apprentice 2026
- NAPS Portal: apprenticeshipindia.gov.in (Est. ID: E08191800001)
- NATS Portal: nats.education.gov.in (Est. ID: EASKMC000002)
Key Summary
| Item | Detail |
|---|---|
| Organisation | IOCL — Fortune Global 500 Maharatna CPSE |
| Unit | Guwahati Refinery, Noonmati, Assam |
| Advt No. | GR/P/APP/2026-27, dated 29 June 2026 |
| Total Posts | 102 across 11 codes (101–111) |
| Largest Code | Code 104 (Technician — Chemical) — 21 posts |
| Apply Window | 29 June – 28 July 2026 |
| Application Fee | Nil |
| Age (as on 30-06-2026) | 18–24 (Gen/EWS); +3 OBC; +5 SC/ST; +10 PwBD |
| Minimum Marks | 50% (45% SC/ST/PwBD) |
| Selection | No written test — pure marks merit |
| DV Shortlist | ~5 August 2026 |
| DV Dates | 11–18 August 2026 |
| Employment Guarantee | None |
| Contact | grrecruitment@indianoil.in | 0361-2657001 |
| Updates | Only at iocl.com |
Fraud Warning
- IOCL charges no fee at any stage — application, shortlisting, DV, medical, or joining.
- Do not trust job announcements via email, social media, WhatsApp, or Telegram — rely only on iocl.com.
- Corrigenda/addenda are published exclusively on iocl.com.
- Disputes fall under jurisdiction of Courts at Guwahati, Assam.
- Canvassing in any form makes a candidate ineligible.
- For genuine queries: grrecruitment@indianoil.in or 0361-2657001.
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