Indian Oil Corporation Limited (IOCL) Apprentices Recruitment 2026 has been released on 15 March 2026 for Bongaigaon Refinery and Guwahati Refinery. A total of 109 vacancies have been announced (69 at Bongaigaon + 40 at Guwahati) for various Trade Apprentice and Technician Apprentice posts under the Apprentices Act, 1961/1973 (as amended).
Candidates with 3 years B.Sc (Maths, Physics, Chemistry or Industrial Chemistry) or 3 years Diploma in relevant Engineering disciplines can apply. Applications must be submitted through NAPS/NATS portal followed by mandatory Microsoft Form submission.
The online application process has started on 15 March 2026 and will remain open until 22 March 2026 (17:00 Hrs). Candidates can download the official notification PDFs and apply through the direct links provided below.
Advertisement
Company Name Indian Oil Corporation Limited (IOCL) – Bongaigaon & Guwahati Refineries Post Name Trade Apprentice / Technician Apprentice (Attendant Operator, Boiler, Chemical, Mechanical, Instrumentation) No of Posts 109 (69 at Bongaigaon + 40 at Guwahati) Advt Nos. BGR/APPR/2026/02 (Bongaigaon) & GR/P/APP/2025-26/4 (Guwahati) Stipend As per Apprentices Act, 1961/1973 (as amended) and IOCL guidelines Qualification 3 years B.Sc or 3 years Diploma in relevant discipline (50% marks – 45% for SC/ST/PwBD) Age Limit Min: 18 years, Max: 24 years (as on 28.02.2026) Last Date 22-03-2026 (17:00 Hrs) Apply Mode Online (NAPS/NATS Portal + Microsoft Form) Job Type Apprenticeship Training (12/24 months)
Candidates who are interested in applying should download and carefully read both official notifications. Full details regarding vacancy distribution, eligibility, selection process, and instructions are given in the PDFs.
Download Official Notifications Bongaigaon from IOCL Website Download Official Notifications Guwahati from IOCL Website
Code Trade/Discipline Total UR EWS SC ST OBC (NCL) PwBD 101 Trade Apprentice - Attendant Operator (Chemical Plant) 34 16 3 2 4 9 0 103 Trade Apprentice (Boiler) – Mechanical 15 6 2 1 2 4 0 104 Technician Apprentice – Chemical 10 4 1 1 1 3 0 107 Technician Apprentice – Instrumentation 10 4 1 1 1 3 1 TOTAL 69 30 7 5 8 19 1
Code Trade/Discipline Total UR EWS SC ST OBC (NCL) PwBD 101 Trade Apprentice - Attendant Operator (Chemical Plant) 13 7 1 1 1 3 0 103 Trade Apprentice (Boiler) – Mechanical 8 3 1 1 1 2 0 104 Technician Apprentice – Chemical 11 5 1 1 1 3 0 105 Technician Apprentice – Mechanical 4 2 0 0 1 1 1 107 Technician Apprentice – Instrumentation 4 2 0 0 1 1 1 TOTAL 40 19 3 3 5 10 2
B.Sc Stream (Codes 101 & 103): 3 years B.Sc (Maths, Physics, Chemistry or Industrial Chemistry) Diploma Stream: 3 years Diploma in Chemical / Mechanical / Instrumentation Engg. (or related) PwBD candidates can apply only against identified seats (Code 107 at Bongaigaon; Codes 105 & 107 at Guwahati) Minimum 50% marks (45% for SC/ST/PwBD in reserved seats) Higher qualifications like B.E./B.Tech not allowed
Category Fee All Categories Nil
Minimum Age: 18 years Maximum Age: 24 years (as on 28.02.2026) Relaxation: 5 years (SC/ST), 3 years (OBC-NCL), 10 years (PwBD) + additional for SC/ST/OBC PwBD
Event Date Notification Date 15 March 2026 Online application start date 15 March 2026 (10:00 Hrs) Online application last date 22 March 2026 (17:00 Hrs) Tentative Document Verification 26–27 March 2026
Merit list based on percentage of marks in qualifying exam (No written test) Document Verification Pre-Engagement Medical Fitness
No obligation for employment after apprenticeship Apply separately for each Refinery (different Establishment IDs) Both Step-I (NAPS/NATS) + Step-II (Microsoft Form) mandatory Keep visiting www.iocl.com regularly
Candidates who meet the eligibility criteria can apply for IOCL Apprentices Recruitment 2026 (Bongaigaon & Guwahati):
Register & apply on NAPS portal (Codes 101 & 103) or NATS portal (Codes 104, 105 & 107) Use correct Establishment ID for each refinery Submit additional details in Microsoft Form on www.iocl.com (mandatory) Ensure profile is 100% correct and submit only one response Review all details before final submission
Link Description Link Official Notifications PDF Click here (Bongaigaon Refinery) Official Notifications PDF Click here (Guwahati Refinery) Apply Online – NAPS Portal https://apprenticeshipindia.gov.in Apply Online – NATS Portal https://nats.education.gov.in Official Website www.iocl.com
Organization
Indian Oil Corporation Limited (IOCL) – Bongaigaon & Guwahati Refineries
Merit list based on percentage of marks in qualifying exam (No written test)
Document Verification
Pre-Engagement Medical Fitness
Important Dates
Event
Date
Notification Date
15 March 2026
Online application start date
15 March 2026 (10:00 Hrs)
Online application last date
22 March 2026 (17:00 Hrs)
Tentative Document Verification
26–27 March 2026
Register & apply on NAPS portal (Codes 101 & 103) or NATS portal (Codes 104, 105 & 107)
Use correct Establishment ID for each refinery
Submit additional details in Microsoft Form on www.iocl.com (mandatory)
Ensure profile is 100% correct and submit only one response
Review all details before final submission
Application Dates
Start Date: Last Date: Event Date Notification Date 15 March 2026 Online application start date 15 March 2026 (10:00 Hrs) Online application last date 22 March 2026 (17:00 Hrs) Tentative Document Verification 26–27 March 2026