IOCL Digboi Refinery Recruitment 2025 Apply Online for 112 Apprentice Vacancies | Last Date 18 December

Indian Oil Corporation Limited (IOCL), Assam Oil Division – Digboi Refinery has published Advertisement No. AOD-DR/TA-2025-26 for the recruitment of 112 Trade & Technician Apprentices in accordance with the Apprentices Act of 1961/1973. Candidates with ITI, Diploma, Graduate, and 12th pass qualifications are invited to apply online from November 28, 2025, to December 18, 2025.

Applicants are encouraged to thoroughly review the full IOCL Digboi Refinery Apprentice Recruitment 2025 notification prior to submitting their applications.

IOCL Digboi Refinery Apprentice Recruitment 2025 – 112 Vacancies

Organization	Indian Oil Corporation Limited (IOCL) – Digboi Refinery (Assam)
Post Name	Trade & Technician Apprentice
Total Vacancies	112
Age Limit	18–24 years (as on 30.11.2025) | Relaxation as per Govt. rules
Stipend	As per Apprentices Act 1961/1973 & IOCL guidelines
Qualification	B.Sc, Diploma, ITI, 12th, B.Com/B.A
Selection Process	No Written Test – Only Document Verification
Location	Digboi Refinery, Assam
Last Date	18/12/2025 (5:00 PM)

Vacancy Details:

Code	Trade/Discipline	Total Vacancies
101	Trade Apprentice – Attendant Operator (Chemical Plant)	40
102	Trade Apprentice – Fitter (Mechanical)	5
103	Trade Apprentice – Boiler (Mechanical)	2
104	Technician Apprentice – Chemical	11
105	Technician Apprentice – Mechanical	30
106	Technician Apprentice – Electrical	10
107	Technician Apprentice – Instrumentation	5
108	Trade Apprentice – Secretarial Assistant	2
109	Trade Apprentice – Accountant	1
110	Trade Apprentice – Data Entry Operator (Fresher)	5
111	Trade Apprentice – Data Entry Operator (Skill Certificate Holders)	1

How to Apply:

• Applicants are required to initially register on the NATS portal (for Technician Apprentice) or the NAPS portal (for Trade Apprentice) and obtain a valid Enrollment/Registration Number.
• Make sure to achieve 100% profile completion on both NAPS and NATS.
• After that, go to the IOCL Recruitment Portal → Log in → Complete the application → Upload the necessary documents → Submit by 18.12.2025 (5 PM).

Eligibility Criteria:

Trade/Discipline	Educational Qualification
Trade Apprentice – Attendant Operator (Chemical Plant)	3 years B.Sc (Physics, Mathematics, Chemistry/Industrial Chemistry)
Trade Apprentice – Fitter	Matric + 2 years ITI (Fitter Trade) Pass
Trade Apprentice – Boiler	3 years B.Sc (Physics, Mathematics, Chemistry/Industrial Chemistry)
Technician Apprentice – Chemical	3 years Diploma in Chemical / Refinery & Petrochemical Engg / Chemical Technology
Technician Apprentice – Mechanical	3 years Diploma in Mechanical Engineering
Technician Apprentice – Electrical	3 years Diploma in Electrical / Electrical & Electronics Engineering
Technician Apprentice – Instrumentation	3 years Diploma in Instrumentation & related branches
Trade Apprentice – Secretarial Assistant	B.A / B.Sc / B.Com
Trade Apprentice – Accountant	B.Com
Trade Apprentice – Data Entry Operator (Fresher)	12th Pass
Trade Apprentice – Data Entry Operator (Skill Certificate)	12th Pass + Skill Certificate in ‘Domestic Data Entry Operator’

Age Limit (as on 30.11.2025):

• Minimum: 18 years | Maximum: 24 years (General/EWS)
• Relaxation: SC/ST – 5 years | OBC(NCL) – 3 years | PwBD – 10 years (additional 5 years for SC/ST PwBD)

Selection Process:

No Written Test

Only Document Verification

Important Links:

IOCL Digboi Apprentice Apply Online	Click Here
Detailed Notification PDF	Click Here
NATS Portal Registration	Click Here
NAPS Portal Registration	Click Here

Important Dates:

Opening of Online Application (NAPS/NATS & IOCL Portal)	28th November 2025 (10:00 AM)
Last Date for Online Application	18th December 2025 (5:00 PM)
Tentative List of Candidates for Document Verification	27th December 2025
Document Verification (Tentative)	02nd to 07th January 2026