IOCL Junior Engineer/Officer (E0) Recruitment 2025 — Diploma Engineers via CBT

Indian Oil Corporation Limited (IOCL), a Maharatna PSU and Fortune Global 500 company, has invited applications from Diploma Engineers to join as Junior Engineers/Officers (Grade E0) in Chemical, Mechanical, Electrical, and Instrumentation disciplines. Selection is through a national-level Computer Based Test (CBT) followed by Group Discussion (GD), Group Task (GT) and Personal Interview (PI). The roles are pan-India across Refineries, Marketing, Pipelines, and Business Development verticals, with an attractive pay scale and comprehensive benefits. Candidates must ensure they meet the eligibility in education, age, and documentation before applying. Karnataka aspirants can conveniently choose Bengaluru, Mangaluru (Mangalore), or Mysuru as CBT centres while applying.

Quick Overview

Educational Qualification (Diploma — Full-Time)

• Marks: 65% (GEN/EWS/OBC-NCL) and 55% (SC/ST/PwBD), as per institute norms.
• Discipline Eligibility:
  • Chemical: Chemical Engg/Technology, Chemical Tech (Fertiliser), Petrochemical Engg/Tech, Refinery & Petrochemical Engg
  • Mechanical: Mechanical
  • Electrical: Electrical; Electrical & Electronics; Electrical Power System; Electrical Engg (Industrial Control)
  • Instrumentation: Instrumentation; Instrumentation & Electronics; Instrumentation & Control; Applied Electronics & Instrumentation
• Course Type: Full-time regular from AICTE/UGC/State Board recognized institutes. Sandwich diploma (with in-course training) and recognized lateral entry are eligible.
• Not Eligible: Part-time/Distance/Online modes; higher professional qualifications like BE/BTech/MBA/CA/CS/CMA/MCA/PhD, etc.
• Result Timeline: Be able to produce final diploma/marksheet by 31 Oct 2025; for CGPA, provide official conversion formula/certificate.

Age Limit (as on 01 July 2025)

General/EWS: ≤26 years. Category relaxations as per Govt. rules; PwBD and Ex-Servicemen as per norms.

DOB proof: Matriculation/Higher Secondary certificate only.

Application Fee

• ₹400 + GST for all except SC/ST/PwBD (Exempted).
• Pay online via Debit/Credit Cards, Net-Banking, UPI, Wallets; e-Receipt is generated on success.
• Fee is non-refundable; avoid multiple/back-refresh during payment.

Selection Process

1. Computer Based Test (CBT) — 100 MCQs, 150 minutes
   • Domain Knowledge: 50 Q
   • General Aptitude: Quant 20, Reasoning 15, English 15
   • Negative marking: −0.25 per wrong answer
   • Qualifying (per section & overall): GEN/EWS/OBC-NCL: 40% & 45% | SC/ST: 35% & 40% | PwBD: 25% & 30%
2. GD & GT — weightage 5% (min pass 40%)
3. Personal Interview — weightage 10% (min pass 40%)
4. Composite Merit: CBT 85% + GD/GT 5% + PI 10% with category-wise minimum composite (GEN/EWS/OBC-NCL 45%, SC/ST 40%, PwBD 30%).
5. Centres (Karnataka): Bengaluru, Mangaluru, Mysuru (choose preferences in application).
6. Scribe/Compensatory Time: As per Govt. norms for eligible PwBD candidates.

Syllabus Snapshot (CBT)

Section A — Domain Knowledge (50 Q): Diploma-level core topics from your chosen discipline (Chemical/Mechanical/Electrical/Instrumentation).

Section B — General Aptitude (50 Q): Quantitative Aptitude (20), Logical Reasoning (15), Verbal Ability in English (15). Focus on accuracy to avoid negative marks.

How to Apply (Online)

1. Keep ready: scanned photo (20–50 KB), signature (10–20 KB), left thumb impression (20–50 KB) in JPG/JPEG, and payment details.
2. Register with a valid personal email and mobile number; both must remain active through the process.
3. Fill the online form carefully (category, discipline, centre preferences, marks as per official records).
4. Upload the photo/signature/thumb as per specs; the portal will also capture a live photo (via webcam/QR).
5. Pay the fee (if applicable); save the e-Receipt and final application PDF for reference.
6. Only one application will be considered (latest one if duplicates exist).
7. Track updates for admit card, CBT date, and further stages via your registered email and the official site.

🗓️ IMPORTANT DATES

Note: Dates are tentative and may change; check the official website regularly for updates.

📥 Important Links (Official)

Tip: Apply only through the official portal and keep your email/mobile active for all updates.

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Karnataka Candidates’ Guide (Bengaluru • Mangaluru • Mysuru)

• Choose nearby CBT centre: Prefer Bengaluru, Mangaluru, or Mysuru to reduce travel fatigue. Reach the city a day early; book refundable travel if possible.
• Documents from Karnataka authorities: Keep recent OBC-NCL/EWS/SC/ST certificates issued in the prescribed Central format. If your community isn’t in the Central OBC list for Karnataka, apply under the correct category (usually General).
• Name & address consistency: Ensure your application name matches SSLC/PUC/Diploma records. If you use a Kannada spelling in local IDs, keep the English transliteration consistent across documents.
• Diploma recognition: Karnataka State Board of Technical Education/AICTE-approved diplomas are acceptable. Keep consolidated marksheets, semester cards, and provisional/Final diploma ready.
• Language & exam readiness: CBT is typically in English. Kannada-medium students should revise core terms in English (tables, formulas, unit conversions) to save time during the test.
• PwBD facilitation: If applying under PwBD, carry the latest medical certificate in the required format. Arrange your scribe (if eligible) as per instructions and keep their ID proofs ready.
• Fee payment & cyber-cafés: Use your own UPI/net-banking where possible. If using a café, log out from all accounts and take the final PDF/application number with you.
• Photo/sign/thumb specs: Follow size/background instructions precisely. Keep a soft copy on your phone and a backup on email/drive.
• No state domicile quota: This is a central PSU recruitment. Karnataka domicile gives no extra preference; merit and reservation rules are as per Government of India.
• Exam-day plan: Carry original ID (Aadhaar/Passport/Driving Licence), admit card print, and one spare photo. Start early to account for Bengaluru/Mangaluru traffic or intercity travel to Mysuru.
• Kannada tip: “ಅಡ್ಮಿಟ್ ಕಾರ್ಡ್‌ನ್ನು ಮತ್ತು ಮಾನ್ಯ ಗುರುತಿನ ಚೀಟಿಯನ್ನು ಮುಂಚಿತವಾಗಿ ಮುದ್ರಿಸಿ ಬ್ಯಾಗ್‌ನಲ್ಲಿ ಇಡಿ. ಪರೀಕ್ಷಾ ಕೇಂದ್ರಕ್ಕೆ ಕನಿಷ್ಠ 60–90 ನಿಮಿಷ ಮುಂಚಿತವಾಗಿ ತಲುಪಿರಿ.”