Indian Oil Corporation Limited (IOCL), a Maharatna public sector enterprise under the Ministry of Petroleum and Natural Gas, has opened one of the year’s biggest PSU hiring drives. If you are an engineering graduate, diploma holder, law graduate, or postgraduate in chemistry looking for a stable, well-paying government-sector career, IOCL Recruitment 2026 deserves your attention. This guide covers everything you need to know — notification details, vacancies, eligibility, important dates, application fee, selection process, exam pattern, salary, and the step-by-step application process — in one place.
IOCL Recruitment 2026: Quick Overview
Indian Oil Corporation Limited released its official recruitment notification (Advertisement No. IOCL/CO-HR/RECTT/2026/01) on 14 August 2026 for Executive posts. The drive aims to fill 470 vacancies across Graduate Engineer, Officer (Marketing), Law Officer, Assistant Quality Control Officer, and Diploma Engineer positions. Online applications opened the same day and will close on 3 September 2026 at 5:00 PM, with the Computer-Based Test (CBT) tentatively scheduled for 24 September 2026 across 83 exam cities nationwide.
Separately, IOCL has also released notifications for Apprentice posts and continues to recruit select roles through GATE scores, giving candidates multiple entry pathways into the organisation.
Important Dates for IOCL Recruitment 2026
| Event | Date |
|---|---|
| Notification release date | 14 August 2026 |
| Online application start date | 14 August 2026 |
| Last date to apply online | 3 September 2026 (5:00 PM) |
| Admit card release | 15 September 2026 (tentative) |
| Computer-Based Test (CBT) | 24 September 2026 (tentative) |
Note: All dates announced in the notification are tentative and subject to change. Candidates are advised to keep checking the official IOCL website (iocl.com) regularly for the latest updates.
IOCL Recruitment 2026 Vacancy Details
A total of 470 Executive vacancies have been notified across five posts:
- Graduate Engineer (Grade A) — disciplines include Chemical, Civil, Computer Science/IT, Electrical, Electronics & Communication, Instrumentation, and Mechanical Engineering
- Officer (Marketing) (Grade A)
- Law Officer (Grade A)
- Assistant Quality Control Officer (Grade A0)
- Diploma Engineer (Grade E0) — disciplines including Electrical, Mechanical, and Safety
Of the total vacancies, 411 posts fall under Grade A, 9 under Grade A0, and 50 under Grade E0. The exact category-wise and post-wise breakup is available in the detailed vacancy annexure published alongside the main notification on the official website.
Eligibility Criteria (Age and Qualification, as on 1 July 2026)
Educational qualifications and age limits vary by post. Here’s a summary:
Graduate Engineer (Grade A): Full-time regular B.E./B.Tech degree in the relevant engineering discipline from an AICTE/UGC-recognised institute, with a minimum of 65% aggregate marks (55% for SC/ST/PwBD candidates). Maximum age: 26 years.
Officer – Marketing (Grade A): Two-year full-time MBA/PGDBA with specialisation in Marketing Management, with a minimum of 60% marks (55% for SC/ST/PwBD). Maximum age: 28 years.
Law Officer (Grade A): Full-time three-year LLB or five-year Integrated LLB from a Bar Council of India-recognised university, with a minimum of 60% marks (55% for SC/ST/PwBD), along with the requisite post-qualification experience wherever specified. Maximum age: 30 years.
Assistant Quality Control Officer (Grade A0): Full-time Master’s degree (M.Sc.) in Chemistry with a minimum of 60% marks (55% for SC/ST/PwBD). Maximum age: 30 years.
Diploma Engineer (Grade E0): Full-time three-year Diploma in the relevant engineering stream from an AICTE/UGC/State Board-recognised institute, with a minimum of 65% aggregate marks (55% for SC/ST/PwBD). Candidates who already hold a higher qualification such as BE/B.Tech, MBA, CA, CS, CMA, MCA, or PhD are not eligible for this post. Maximum age: 26 years.
Standard government age relaxation applies for OBC (NCL), SC/ST, PwBD, and Ex-servicemen/Commissioned Officers as per extant Government of India guidelines. All candidates must be in a position to produce their final degree or mark sheet by 30 September 2026.
GATE scores are not mandatory for this particular Executive recruitment drive — selection is through IOCL’s own written examination.
Application Fee
- General/EWS/OBC candidates: ₹1,000 (non-refundable)
- SC/ST/PwBD candidates: Exempted from application fee
The fee can be paid online through Debit Card, Credit Card, Net Banking, IMPS, Mobile Wallets, or UPI.
Selection Process
IOCL follows a multi-stage selection process for Executive posts:
- Computer-Based Test (CBT) — an objective-type exam assessing aptitude and domain knowledge, with negative marking for wrong answers.
- Group Discussion (GD) and Group Task (GT) — for candidates who clear the CBT cutoff.
- Personal Interview (PI) — the final stage before selection.
Final merit is determined based on cumulative performance across all applicable stages.
Exam Pattern
The IOCL CBT typically consists of 100 objective-type questions covering:
- Quantitative Aptitude
- Logical Reasoning
- English Language
- Domain/Technical Knowledge relevant to the post applied for
The exam is conducted online in Computer-Based Test mode across multiple cities.
Salary and Pay Scale
IOCL offers one of the more attractive compensation packages among PSUs. Depending on the grade and post, selected Graduate Engineers in Grade A can expect an approximate annual CTC of up to ₹18.4 lakh, along with standard PSU benefits such as medical facilities, provident fund, gratuity, and other allowances. Pay scales vary for Diploma Engineer, Marketing Officer, Law Officer, and Assistant Quality Control Officer posts as per their respective grades.
Selected candidates are generally required to execute a service bond committing to serve IOCL for a minimum period (commonly around 3 years) from the date of joining.
How to Apply for IOCL Recruitment 2026: Step-by-Step
- Visit the official IOCL website at iocl.com and navigate to the Careers/Latest Job Openings section.
- Locate and open Advertisement No. IOCL/CO-HR/RECTT/2026/01 and read the complete notification carefully.
- Click on “New Registration” and enter a valid email ID and mobile number to generate your Registration ID and password.
- Log in with your credentials and fill in the application form with personal, educational, and professional details.
- Select the post and discipline you wish to apply for (a separate application is needed for each post).
- Upload a scanned photograph, signature, and (where required) left thumb impression in the prescribed format and size.
- Pay the applicable application fee online, if applicable to your category.
- Review the complete form carefully before final submission — corrections may not be possible later.
- Submit the application and download/save the confirmation page and fee receipt for future reference.
Applications must be submitted online only; IOCL does not accept hard-copy or manual applications for this drive.
Documents Required
Keep the following documents ready before starting your application:
- Recent passport-size photograph and signature (scanned, in prescribed format)
- Educational mark sheets and degree/diploma certificates
- Category certificate (SC/ST/OBC-NCL/EWS/PwBD), if applicable
- Age proof (10th certificate or birth certificate)
- Experience certificates, where applicable (Law Officer, Assistant Quality Control Officer)
- Valid ID proof (Aadhaar card, PAN card, etc.)
Why Consider a Career at IOCL
IOCL is India’s largest oil marketing and refining company and consistently ranks among the top PSUs for job security, compensation, and career growth. Roles are spread across the company’s refineries, pipelines, and marketing divisions in locations such as Guwahati, Barauni, Gujarat, Haldia, Mathura, Panipat, Digboi, Paradip, and Bongaigaon, offering candidates exposure to large-scale industrial operations and long-term career stability within the Maharatna PSU ecosystem.
Frequently Asked Questions
Is GATE score mandatory for IOCL Recruitment 2026? No. This particular Executive recruitment drive (Advt. No. IOCL/CO-HR/RECTT/2026/01) is conducted through IOCL’s own Computer-Based Test rather than GATE scores.
What is the last date to apply for IOCL Recruitment 2026? The online application window closes on 3 September 2026 at 5:00 PM.
Is there negative marking in the IOCL exam? Yes, the IOCL CBT has a negative marking scheme for incorrect answers.
Can I apply for more than one post? Yes, candidates who meet the eligibility criteria for multiple posts can apply for more than one, but a separate application must be submitted for each post.
What is the application fee for IOCL Recruitment 2026? General/EWS/OBC candidates must pay ₹1,000, while SC/ST/PwBD candidates are exempted from the fee.