Indian Oil Corporation Limited – Guwahati Refinery
Indian Oil Corporation Limited (IOCL) Guwahati Refinery is inviting applications for 102 apprentice vacancies across various trades, including Chemical, Mechanical, and Electrical. Candidates aged between 18 and 24 years can apply online from 29 June 2026 to 28 July 2026. The selection is merit-based, with no written exam required.
We only use age, education & category to compute eligibility — nothing shared publicly.
Pass class
Trade Apprentice (Boiler) – Mechanical
3-year B.Sc. in Maths, Physics, Chemistry or Industrial Chemistry
50% (45% for SC/ST/PwBD)
Technician Apprentice – Chemical
3-year Diploma in Chemical Engg./Petrochemical Engg./Chemical Technology/Refinery and Petrochemical Engg.
50% (45% for SC/ST/PwBD)
Technician Apprentice – Mechanical
3-year Diploma in Mechanical Engg.
50% (45% for SC/ST/PwBD)
Technician Apprentice – Electrical
3-year Diploma in Electrical Engg. / Diploma in Electrical and Electronics Engineering
50% (45% for SC/ST/PwBD)
Technician Apprentice – Instrumentation
3-year Diploma in Instrumentation Engg / Instrumentation & Electronics / Instrumentation & Control Engg / Applied Electronics and Instrumentation Engg.
50% (45% for SC/ST/PwBD)
Trade Apprentice – Secretarial Assistant
3-year B.A. / B.Sc. / B.Com
50% (45% for SC/ST/PwBD)
Trade Apprentice – Accountant
3-year B.Com
50% (45% for SC/ST/PwBD)
Trade Apprentice – Data Entry Operator (Fresher)
Class XII pass (Fresher — no prior institutional/skill training)
50% (45% for SC/ST/PwBD)
Trade Apprentice – Data Entry Operator (Skill Certificate Holders)
Class XII pass + Skill Certificate in 'Domestic Data Entry Operator' (issued under NSQF, training less than 1 year)
50% (45% for SC/ST/PwBD)
Application Fee
No application fee is mentioned in the official IOCL Guwahati Refinery Apprentice 2026 notification. Candidates can register and apply through the NAPS/NATS portals and submit the Microsoft Form without any fee payment.
Important Dates
Event
Date / Time
Notification Date
29 June 2026
Online Application Opens (NAPS/NATS + MS Forms)
29 June 2026 (10:00 hrs)
Last Date to Apply Online
28 July 2026 (17:00 hrs)
Tentative Shortlist Publication for Document Verification
05 August 2026
Tentative Document Verification Dates
11 August 2026 to 18 August 2026
Eligibility Cut-off Date (Age & Qualification)
30 June 2026
How to Apply
The application process is a two-step online process via the NAPS/NATS portal and Microsoft Forms. Both steps must be completed for a valid application. Applications can be submitted from 29 June 2026 to 28 July 2026 at www.iocl.com.