Indian Oil Recruitment 2026 – IndianOil Corporation Limited Executive & Diploma Engineer Recruitment 2026

Indian Oil Recruitment : Indian Oil Corporation Limited (IndianOil), a Maharatna Central Public Sector Enterprise and India’s flagship energy company, has released a comprehensive recruitment notification for Executive and Diploma Engineer positions for the year 2026.

This presents a golden opportunity for dynamic and enthusiastic Indian nationals with outstanding academic records to join one of India’s diversified energy majors. IndianOil is transforming into a future-ready, technology-driven enterprise, playing a pivotal role in powering millions of lives and advancing India’s energy transition. Interested candidates are encouraged to review the detailed advertisement and apply online for a rewarding career.

Key Highlight – Indian Oil Recruitment

Indian Oil Recruitment – Vacancy Details 2026

Indian Oil Recruitment – Eligibility Criteria

Candidates must be Indian nationals with an outstanding academic record. The eligibility criteria regarding prescribed educational qualification, upper age limit, and relevant work experience vary depending on the post. Any qualification acquired through Part-time/Correspondence/Distance/Online Learning mode will not be considered eligible.

Indian Oil Recruitment – Educational Qualification 2026

The specific educational qualifications required for each post are as follows:

• Graduate Engineer (Grade ‘A’): Full-time Regular B.Tech./BE/Equivalent degree from AICTE/UGC recognized institutions in the specified disciplines. General/EWS/OBC(NCL) candidates must have >=65% marks, while SC/ST/PwBD candidates require >=55% marks.
• Chemical: Chemical Engineering, Chemical Technology, Petrochem/Petrochemical Engineering/Technology.
• Civil: Civil Engineering, Civil & Environmental, Civil & Infrastructure, Civil (Construction Technology), Civil Engineering & Planning, Civil Engineering Environment & Pollution Control, Civil Engineering with Computer Application, Civil Environmental Engineering, Civil Technology.
• Computer Science and Information Technology: Computer Engineering, Computer Science and Engineering, Information Technology, Computer and Communication Engineering, Computer Engineering (Software Engineering), Computer Science and Applied Mathematics, Computer Science and Design, Computer Science and Engineering (Artificial Intelligence and Machine Learning), Computer Science and Engineering (Artificial Intelligence), Computer Science and Engineering (Cyber Security), Computer Science and Engineering (Data Science), Computer Science and Engineering (Internet of Things and Cyber Security Including Block Chain Technology), Computer Science and Engineering (Networks), Computer Science and Social Sciences, Computer Science and Systems, Computer Science and Technology, Computer Technology, Computer Science and Engineering (Internet of Things), Computer Science and Information Technology, Software Engineering, Artificial Intelligence (AI) and Data Science, Artificial Intelligence and Machine Learning.
• Electrical: Electrical, Electrical and Electronics, Electrical and Electronics (Power System), Electrical and Instrumentation, Electrical and Computer, Electrical and Power, Electrical Engineering (Electronics and Power), Electrical Instrumentation and Control, Electrical Power Engineering, Electrical, Electronics and Power Engineering, Electronics and Electrical Engineering.
• Electronics & Communication: Electronics Engineering, Electronics and Communication, Electronics and Telecommunication, Electronics Communication and Instrumentation.
• Instrumentation: Instrumentation Engineering, Instrumentation and Control, Instrumentation and Electronics, Instrumentation Technology, Instrument Technology.
• Mechanical: Mechanical Engineering, Mechanical Engineering (Industry Integrated), Mechanical Engineering Design, Mechanical and Automation, Mechanical Engineering (Production).
• Officer (Marketing) (Grade ‘A’): 2 years Full-time MBA / Post Graduate Diploma in Business Administration (equivalent to MBA as per AIU) with specialization in Marketing Management from AICTE/UGC recognized institutions. General/EWS/OBC(NCL) candidates must have >=60% marks, while SC/ST/PwBD candidates require >=55% marks.
• Officer (Law) (Grade ‘A’): Graduate Degree in any discipline AND Bachelor’s Degree in Law (LLB) OR 5 years Integrated LLB Degree. Candidates must have secured 60% marks in Graduation and LLB (for General/EWS/OBC NCL) or 55% (for SC/ST/PwBD). The LLB degree must be recognized by the Bar Council of India. Minimum 2 years of cumulative post-qualification professional experience is required in legal functions.
• Assistant Quality Control Officer (Grade ‘A0’) for Indian Oil Recruitment: Full-time Regular Master’s Degree (Chemistry) from AICTE/UGC recognized institutions. General/EWS/OBC(NCL) candidates must have >=60% marks, while SC/ST/PwBD candidates require >=55% marks. Minimum 2 years of cumulative post-qualification experience in Testing/R&D/Quality Control in Petroleum/Petrochemical/Polymer/Fertilizer Unit Laboratories OR in an NABL accredited laboratory (Field of “TESTING” with Discipline “CHEMICAL”).
• Diploma Engineer (Grade ‘E0’) for Indian Oil Recruitment: Full-time Regular Diploma (3 years) in Engineering from AICTE/UGC/State Board recognized institutions in the specified disciplines. General/EWS/OBC(NCL) candidates must have >=65% marks, while SC/ST/PwBD candidates require >=55% marks.
• Electrical for Indian Oil Recruitment: Electrical, Electrical and Electronics, Electrical Power System, Electrical Engineering (Industrial Control).
• Mechanical: Mechanical.
• Safety for Indian Oil Recruitment: Chemical Engineering, Chemical Technology, Petrochemical Engineering, Petrochemical Technology, Refinery and Petrochemical Engineering, Chemical Engineering (Oil Technology), Chemical Engineering (Petrochemical), Civil (Construction), Civil and Environmental Engineering, Civil Engineering, Civil Engineering (Construction Technology), Civil Technology, Construction Engineering, Electrical. Candidates for Safety posts also require a Diploma in Industrial Safety (not less than 1 year).

Age Limit -Indian Oil Recruitment

The maximum permissible age as on 01st July 2026 for General/EWS category candidates is as follows:

• Graduate Engineer (Grade A): 26 years
• Diploma Engineer (Grade E0): 26 years
• Officer (Marketing) (Grade A): 28 years
• Law Officer (Grade A): 30 years
• Assistant Quality Control Officer (Grade A0): 30 years

Age relaxation for candidates applying from other categories will be as per Government of India guidelines:

Application Fees – Indian Oil Recruitment

• SC/ST/PwBD Candidates: Exempted from payment of application fee.
• Other Categories (General/EWS/OBC): ₹1000/- (Rupees One Thousand) + GST (as applicable).
• Payment Mode: Online (Credit card/Debit card/Bank Transaction charges, IMPS, Cash Cards/Mobile Wallets, UPI).

Selection Process – Indian Oil Recruitment

About Indian Oil Recruitment : The selection process for IndianOil Executive and Diploma Engineer positions involves multiple stages to assess candidates comprehensively:

Computer Based Test (CBT):

• Consists of 100 objective Multiple-Choice Questions.
• Section A: General Aptitude (20 Questions – Quantitative Aptitude, Logical Reasoning, Verbal Ability of English Language) – 60 minutes (80 minutes for eligible candidates with compensatory time).
• Section B: Domain Knowledge (50 Questions) – 90 minutes (120 minutes for eligible candidates with compensatory time).
• Each question carries one mark; 0.25 marks will be deducted for every incorrect answer.
• Minimum Qualifying Marks for CBT:
  • General/EWS/OBC(NCL): 40% in each section (A & B) and 45% overall (Section A + Section B).
  • SC/ST: 35% in each section (A & B) and 40% overall (Section A + Section B).
  • PwBD: 25% in each section (A & B) and 30% overall (Section A + Section B).

Group Discussion (GD) and Group Task (GT): Shortlisted candidates from CBT will participate in GD/GT. Personal Interview (PI): Candidates qualifying GD/GT will proceed to PI.

Merit List Calculation: The final merit list will be prepared based on a composite score:

• Computer Based Test (CBT): 85% weightage
• Group Discussion (GD) and Group Task (GT): 5% weightage (Minimum 40% pass marks)
• Personal Interview (PI): 10% weightage (Minimum 40% pass marks)

Document verification will be conducted prior to GD, GT, and PI for shortlisted candidates.

How to Apply – Indian Oil Recruitment

Interested and eligible candidates must apply online through the official IndianOil website. Follow these steps:

1. Visit the official IndianOil website: www.iocl.com. Navigate to the “Latest Job Opening” section under “IndianOil for Careers”. for Indian Oil Recruitment
2. Click on the “APPLY ONLINE” option and then “Click here for New Registration”.
3. Register by providing Name, Contact details, and Email-id.
4. A Provisional Registration Number and Password will be generated.
5. Log in using the generated credentials and fill in the online application form with correct and complete information.
6. Upload scanned images of your recent passport-style colour photograph (4.5cm x 3.5cm, 20-50kb), signature, and left thumb impression.
7. Ensure clear images and adherence to specified dimensions and file sizes.
8. A live photograph capture will also be required. Carefully review all entered details before final submission.
9. No changes will be allowed after clicking the “COMPLETE REGISTRATION” button. Proceed to the payment tab and pay the application fee (if applicable) online.
10. After successful payment, an e-Receipt will be generated.
11. Take a printout of the e-Receipt and the online application form for future reference.
12. Candidates are advised to apply well before the closing date to avoid any last-minute technical issues.

Important Links – Indian Oil Recruitment

Important Dates – Indian Oil Recruitment

Key Takeaways – Indian Oil Recruitment

• IndianOil, a leading energy company, offers diverse career opportunities for Engineers, Marketing professionals, Law Officers, and Quality Control specialists.
• The recruitment process includes a Computer Based Test (CBT), Group Discussion/Task, and Personal Interview, ensuring a merit-based selection.
• Candidates from reserved categories receive age and qualification relaxations as per Government of India norms.
• A mandatory service bond of three years is required, demonstrating commitment to serving the Corporation.
• The online application process is streamlined but requires strict adherence to document upload specifications and timely submission for Indian Oil Recruitment

Final Thoughts on IndianOil Recruitment 2026

About Indian Oil Recruitment : This IndianOil recruitment drive for 2026 offers an exceptional chance for eligible individuals to build a robust career with a Maharatna PSU. With opportunities across various disciplines and a commitment to employee growth, IndianOil promises a dynamic work environment. Aspiring candidates are strongly advised to meticulously review the detailed advertisement, ensure they meet all eligibility criteria, and submit their applications well within the stipulated timelines. Joining IndianOil means contributing to India’s energy security and sustainable development while achieving significant professional growth.