IOCL Recruitment 2026 for Executive and Diploma Engineer posts. Check eligibility, age limit, salary, application fee, CBT exam pattern, selection process, important dates and apply online details.
Indian Oil Corporation Limited (IOCL), one of India’s leading Maharatna Public Sector Undertakings, has announced its 2026 recruitment drive for Executive and Diploma Engineer positions. This is a good opportunity for engineers, management graduates, law graduates and other eligible professionals who want to build a career in India’s energy sector.
The recruitment includes posts under Grade A, Grade A0 and Grade E0, covering different areas such as Engineering, Marketing, Law, Quality Control and Safety.
The online application process will start on 14 August 2026 and the last date to apply is 3 September 2026, up to 5:00 PM. The Computer Based Test (CBT) is scheduled for 24 September 2026.
If your qualification matches any of the posts, it is worth checking the detailed eligibility conditions before applying because IOCL has specified different requirements for each position.
IOCL Recruitment 2026: Key Highlights
| Particulars | Details |
|---|---|
| Organization | Indian Oil Corporation Limited (IOCL) |
| Advertisement No. | IOCL/CO-HR/RECTT/2026/01 |
| Posts | Executive & Diploma Engineer |
| Grades | Grade A, Grade A0 & Grade E0 |
| Application Mode | Online |
| Job Location | Across India |
| Application Start Date | 14 August 2026 |
| Last Date to Apply | 3 September 2026, up to 5:00 PM |
| CBT Date | 24 September 2026 |
| Admit Card Date | 15 September 2026 |
| Official Website | IOCL |
Vacancy Details IOCL Recruitment 2026
The notification invites applications for different positions across engineering, marketing, law, quality control and safety functions.
The exact number of vacancies has not been specified in the notification.
| Post | Grade | Qualification / Area |
|---|---|---|
| Graduate Engineer | Grade A | Chemical, Civil, Computer Science & IT, Electrical, E&C, Instrumentation, Mechanical |
| Officer (Marketing) | Grade A | MBA / PG Diploma in Business Administration with Marketing |
| Officer (Law) | Grade A | Graduation + LLB / Integrated LLB |
| Assistant Quality Control Officer | Grade A0 | M.Sc. in Chemistry |
| Diploma Engineer | Grade E0 | Electrical, Mechanical and other specified disciplines |
| Diploma Engineer – Safety | Grade E0 | Engineering Diploma + Diploma in Industrial Safety |
Eligibility Criteria for IOCL Recruitment 2026
Eligibility is different for each post. Candidates should make sure that their qualification and marks match the requirements before submitting the application.
Educational Qualification
Graduate Engineer – Grade A
Candidates must have a full-time regular B.E./B.Tech./equivalent degree in the relevant engineering discipline from an AICTE/UGC-recognized institution.
Eligible disciplines include:
- Chemical Engineering
- Civil Engineering
- Computer Science & IT
- Electrical Engineering
- Electronics & Communication
- Instrumentation
- Mechanical Engineering
Candidates belonging to General/EWS/OBC-NCL categories generally require at least 65% marks, while SC/ST/PwBD candidates require 55% marks, as specified for the post.
Combined or integrated disciplines such as Mechatronics and Robotics are not eligible where specifically excluded in the notification.
Officer – Marketing
Candidates should have a 2-year full-time MBA or Post Graduate Diploma in Business Administration with specialization in Marketing Management from a recognized institution.
Officer – Law
Candidates should have:
- Graduation in any discipline, and
- LLB degree, or
- 5-year integrated LLB degree.
The required marks are as specified in the official notification, and the law qualification must be recognized by the Bar Council of India.
Assistant Quality Control Officer
Candidates should have a Master’s Degree in Chemistry with the required percentage of marks.
Eligible areas may include:
- Inorganic Chemistry
- Organic Chemistry
- Analytical Chemistry
- Physical Chemistry
- Applied Chemistry
- Industrial Chemistry
Other specialized M.Sc. subjects that are specifically excluded in the notification will not be accepted.
Diploma Engineer
Candidates should have a 3-year Diploma in Engineering in the relevant discipline.
For Safety positions, candidates need the required Engineering Diploma along with a Diploma in Industrial Safety of at least one year, as prescribed in the notification.
Important Qualification Conditions
The qualification should generally be obtained through a full-time regular course.
Part-time, correspondence, distance and online qualifications are not eligible where specifically excluded by the notification.
Candidates must also be able to produce their final degree/marksheet within the prescribed date.
If your university uses CGPA or grades instead of percentage, you may need a certificate from the institution explaining the official percentage-conversion formula.
Age Limit
The maximum age limit depends on the post.
| Post | Maximum Age |
|---|---|
| Graduate Engineer – Grade A | 26 Years |
| Diploma Engineer – Grade E0 | 26 Years |
| Officer (Marketing) – Grade A | 28 Years |
| Officer (Law) – Grade A | 30 Years |
| Assistant Quality Control Officer – Grade A0 | 30 Years |
Age is calculated as on 1 July 2026.
Relaxation in the upper age limit will be available to eligible SC, ST, OBC-NCL, PwBD and Ex-Servicemen candidates according to Government of India rules.
IOCL Application Fee
The application fee depends on the candidate’s category.
| Category | Application Fee |
|---|---|
| General / EWS / OBC-NCL | ₹1,000 + GST |
| SC / ST / PwBD | Exempted |
The fee is non-refundable and must be paid online through the available payment options.
Salary Details: IOCL Recruitment 2026
Salary is one of the major attractions of working with IOCL. Selected candidates will be appointed in the respective grade and will receive salary and benefits according to the applicable IOCL pay structure and rules.
The exact salary/pay scale can vary depending on the post and grade.
Apart from basic pay, selected employees may also receive applicable allowances and benefits as per company rules.
Candidates should check the official notification for the exact pay scale applicable to their particular post.
Selection Process: IOCL Recruitment 2026
The selection process for IOCL Recruitment 2026 will be based on the following stages:
- Computer Based Test (CBT)
- Group Discussion (GD) / Group Task (GT)
- Personal Interview (PI)
The final merit will be prepared using the prescribed weightage of these stages.
Weightage
| Selection Stage | Weightage |
|---|---|
| Computer Based Test | 85% |
| Group Discussion / Group Task | 5% |
| Personal Interview | 10% |
| Total | 100% |
Candidates must qualify in the individual stages as per the prescribed requirements.
IOCL Exam Pattern 2026
The Computer Based Test will consist of objective-type questions.
The examination includes two broad sections:
Section A: General Aptitude
This section covers areas such as:
- Quantitative Aptitude
- Logical Reasoning
- Verbal Ability
- English Language
Section B: Domain Knowledge
This section tests candidates on post/discipline-specific technical knowledge.
| Section | Questions | Duration |
|---|---|---|
| General Aptitude | 20 | 60 Minutes |
| Domain Knowledge | 50 | 90 Minutes |
As per the notification details provided, candidates should also note that 0.25 marks will be deducted for every incorrect answer.
Qualifying Marks
The prescribed qualifying standards vary according to category.
| Category | Sectional Qualifying | Overall Qualifying |
|---|---|---|
| General / EWS / OBC-NCL | 40% | 45% |
| SC / ST | 35% | 40% |
| PwBD | 25% | 30% |
Candidates should carefully check the official notification for the exact examination structure applicable to their post.
How to Apply for IOCL Recruitment 2026
Candidates can submit their applications online through the official IOCL website.
Step-by-Step Process
- Visit the official IOCL website.
- Open the Careers / Latest Job Opening section.
- Find the recruitment notification for the 2026 Executive and Diploma Engineer recruitment.
- Click on Apply Online.
- Complete the new registration process.
- Enter your name, mobile number and email ID.
- Note down the Registration Number and Password generated by the system.
- Log in and complete the application form.
- Upload your photograph, signature and left thumb impression in the required format.
- Complete the live photograph requirement, if prompted.
- Enter your educational, personal and other required details carefully.
- Preview the application before submitting it.
- Pay the application fee, if applicable.
- Submit the final application.
- Download and print the application form and payment receipt for future reference.
It is better to apply a few days before the deadline rather than waiting until the last day.
Important Dates
| Event | Date |
|---|---|
| Online Application Start Date | 14 August 2026 |
| Last Date to Apply | 3 September 2026, up to 5:00 PM |
| Admit Card / Call Letter | 15 September 2026 |
| Computer Based Test | 24 September 2026 |
🔗 Important Links
| Description | Link |
|---|---|
| Official Notification | Click Here |
| Official Website | Click Here |
| Apply Online | Click Here |
| Join WhatsApp Group | Click Here |
| Home Page | Click Here |
Frequently Asked Questions (FAQ)
1. What is the last date to apply for IOCL Recruitment 2026?
The last date to submit the online application is 3 September 2026 up to 5:00 PM.
2. What is the IOCL CBT date?
The Computer Based Test is scheduled for 24 September 2026.
3. How many vacancies are available in IOCL Recruitment 2026?
The recruitment notification invites applications for several Executive and Diploma Engineer positions, but the exact number of vacancies has not been specified.
4. What is the age limit for Graduate Engineer posts?
The maximum age for Graduate Engineer positions is 26 years, calculated as on 1 July 2026, subject to applicable relaxation.
5. What is the selection process for IOCL Recruitment 2026?
The selection process includes CBT, Group Discussion/Group Task and Personal Interview.
6. Is there negative marking in the IOCL exam?
Yes. As per the provided notification details, 0.25 marks are deducted for each incorrect answer.
7. Is the IOCL application fee refundable?
No. The application fee is non-refundable.
Final Words
IOCL Recruitment 2026 is a good opportunity for candidates looking to join one of India’s leading Maharatna PSUs. The recruitment covers multiple professional fields, so engineers, management graduates, law graduates and eligible chemistry candidates should check whether their qualification matches any of the available posts.
The selection process is competitive, especially because the CBT carries 85% of the total weightage. Candidates should therefore start preparing early, particularly for their domain-specific subjects and general aptitude.
Before applying, make sure you carefully check your qualification, marks, age, category requirements and other conditions in the official notification. Submit the application before 3 September 2026 to avoid any last-minute problems.
Disclaimer
This article is provided for general informational and educational purposes only. Candidates should carefully read the official IOCL recruitment notification before applying. Eligibility criteria, vacancies, salary, exam pattern, selection process, dates and other recruitment conditions may be changed or updated by Indian Oil Corporation Limited. The official notification and IOCL website should be considered the final and authoritative source of information.