Indian Oil Corporation Limited (IOCL) Guwahati Refinery invites applications for 42 Trade and Technician Apprentice posts. Check eligibility, important dates, a
IOCL Guwahati Refinery Recruitment 2026 - Apply Online for 42 Trade and Technician Apprentice Posts — Age Limit
• Minimum Age : 18 Years
• Maximum Age : 24 Years as on 31-01-2026
• Relaxation of upper age limit to SC/ST/OBC(NCL)/PwBD candidates shall be extended as per Govt. guidelines. Relaxation in upper age upto 5 years for SC
Total Post
42Posts
Post Wise Vacancy
Code
Trade/Discipline
Qualifications
Period of Training
Total Nos.
101
Trade Apprentice - Attendant Operator (Chemical Plant) Discipline - Chemical
3 years B.Sc (Maths, Physics, Chemistry or Industrial Chemistry)
12 months
16
103
Trade Apprentice (Boiler) Discipline - Mechanical
3 years B.Sc. (Maths, Physics, Chemistry or Industrial Chemistry)
24 months
8
104
Technician Apprentice Discipline Chemical
3 years Diploma in Chemical Engg./Petrochemical Engg./Chemical Technology / Refinery and Petrochemical Engg.
12 months
14
107
Technician Apprentice Discipline- Instrumentation
3 years Diploma in Instrumentation Engg/ Instrumentation & Electronics/ Instrumentation & Control Engg, / Applied Electronics and Instrumentation Engineering
12 months
4
Category Wise Vacancy
Code
Trade/Discipline
UR
EWS
SC
ST
OBC (NCL)
PwBD
101
Trade Apprentice - Attendant Operator (Chemical Plant) Discipline - Chemical
8
1
1
2
4
0
103
Trade Apprentice (Boiler) Discipline - Mechanical
3
1
1
1
2
0
104
Technician Apprentice Discipline Chemical
6
1
1
2
4
0
107
Technician Apprentice Discipline- Instrumentation
2
1
0
0
1
1
Total Posts: 42
IOCL Guwahati Refinery Recruitment 2026 - Apply Online for 42 Trade and Technician Apprentice Posts — Age Limit & Eligibility Criteria
Age Limit
Minimum Age : 18 Years
Maximum Age : 24 Years as on 31-01-2026
Relaxation of upper age limit to SC/ST/OBC(NCL)/PwBD candidates shall be extended as per Govt. guidelines. Relaxation in upper age upto 5 years for SC
Educational Qualification
For Trade Apprentice - Attendant Operator (Chemical Plant) Discipline - Chemical (Code 101): 3 years B.Sc (Maths, Physics, Chemistry or Industrial Chemistry).
For Trade Apprentice (Boiler) Discipline - Mechanical (Code 103): 3 years B.Sc. (Maths, Physics, Chemistry or Industrial Chemistry).
For Technician Apprentice Discipline Chemical (Code 104): 3 years Diploma in Chemical Engg./Petrochemical Engg./Chemical Technology / Refinery and Petrochemical Engg.
For Technician Apprentice Discipline- Instrumentation (Code 107): 3 years Diploma in Instrumentation Engg/ Instrumentation & Electronics/ Instrumentation & Control Engg, / Applied Electronics and Inst
The prescribed qualification for Class XII / Graduate / Diploma holders should be from a recognized Board/University/Institute as a regular full time course in the relevant trade/discipline with minim
✓ Read the official notification carefully before applying.
How To Apply Online
1 Visit the official website link given below
2 Click on the Apply Online / Download link
3 Enter your registration number and date of birth
4 Download and take a printout for future reference
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