Indian Oil Corporation Limited (IOCL), Bongaigaon Refinery Division, has released the official notification for the engagement of Apprentices for 2025 under the Apprentices Act, 1961/1973. This recruitment drive offers excellent opportunities for candidates looking for training in technical and non-technical trades across various disciplines.

The notification was released on 28 November 2025 for a total of 157 Apprentice vacancies in multiple trades such as Mechanical, Electrical, Chemical, Instrumentation, Data Entry Operator, Fitter, Boiler, and more.

IOCL Bongaigaon Refinery Apprenticeship 2025 – Overview

Vacancy Details (Trade-wise)

1. Trade Apprentice – Attendant Operator (Chemical Plant)

• Qualification: 3 years B.Sc (Maths/Physics/Chemistry/Industrial Chemistry)
• Training Duration: 12 months
• Total Seats:45
  • UR: 21 | EWS: 4 | SC: 3 | ST: 5 | OBC(NCL): 12 | PwBD: 0

2. Trade Apprentice – Fitter (Mechanical Discipline)

• Qualification: Matric with ITI (Fitter), 2 years
• Duration: 12 months
• Seats: 6
  • UR: 3 | SC: 0 | ST: 0 | OBC: 2

3. Trade Apprentice – Boiler (Mechanical Discipline)

• Qualification: 3-year B.Sc (Maths/Physics/Chemistry)
• Duration: 24 months
• Seats: 7
  • UR: 2 | EWS: 1 | SC: 2 | OBC: 2

4. Technician Apprentice – Chemical Discipline

• Qualification: 3-year Diploma in Chemical/ Petrochemical/ Refinery Engineering
• Seats: 16
  • UR: 7 | EWS: 2 | SC: 1 | ST: 2 | OBC: 4

5. Technician Apprentice – Mechanical Discipline

• Qualification: Diploma in Mechanical Engg
• Seats: 22
  • UR: 9 | EWS: 2 | SC: 2 | ST: 3 | OBC: 6 | PwBD: 2

6. Technician Apprentice – Electrical Discipline

• Qualification: Diploma in Electrical/ EEE
• Seats: 17
  • UR: 7 | EWS: 2 | SC: 1 | ST: 2 | OBC: 5

7. Technician Apprentice – Instrumentation Discipline

• Qualification: Diploma in Instrumentation / Electronics / Control Engineering
• Seats: 11
  • UR: 5 | EWS: 1 | SC: 1 | ST: 1 | OBC: 3

8. Trade Apprentice – Secretarial Assistant

• Qualification: 3 years BA/B.Sc/B.Com
• Duration: 15 months
• Seats: 3

9. Trade Apprentice – Accountant

• Qualification: B.Com
• Seats: 1

10. Trade Apprentice – Data Entry Operator (Fresher & Skilled)

• Qualification: Class XII Pass / Skill Certificate Holder
• Seats: 7 (Fresher + Skill Certified)

Eligibility Criteria

Eligibility varies by trade: