ONGC E1 Recruitment 2026 — 52 Geologist & Engineer Posts

Oil and Natural Gas Corporation (ONGC) is India's Maharatna energy leader, contributing over 73% of the nation's oil and 57% of gas production, with a global presence spanning 18 countries. As a future-ready and inclusive organization, ONGC is actively investing in natural gas, renewable energy, and cutting-edge technologies to shape the future of India's energy landscape. With a diverse community of around 22,600 professionals, ONGC stands as one of the most prestigious energy sector employers in the country, offering not just employment but a genuine launchpad for ambition, innovation, and long-term professional growth for young graduates.

Why You Should Apply

This recruitment offers young geologists and engineers an exceptional opportunity to join ONGC at the E1 level, with an approximate CTC of ₹26 lacs — among the best compensation packages in the industry for entry-level technical positions. Beyond the attractive salary, candidates get to work on cutting-edge projects that integrate innovation, technology, and sustainability, while being part of a Maharatna company with immense scale, stability, and career growth potential across India and internationally.

About the Post

ONGC is hiring bright, passionate geologists and engineers at the E1 Level across five academic/engineering streams: Petroleum Engineering, Mechanical Engineering, Chemical Engineering, Instrumentation Engineering, and Geology. Selected candidates will work on core exploration and production activities, contributing to ONGC's oil and gas operations, technological innovation, and sustainability initiatives. Selected candidates are liable to be posted anywhere in India (at any Asset/Basin/Institute/Plant/HQ) or abroad, reflecting the pan-India and global scale of ONGC's operations.

Recruitment Overview

ONGC has released Advertisement No. 2/2026 (R&P) inviting online applications for 52 vacancies at the E1 level across five engineering/academic streams, to be filled through a Computer Based Test (CBT) followed by a Personal Interview and Medical Fitness examination. The online registration window is open from 17.07.2026 to 31.07.2026, and the CBT is tentatively scheduled for 06.09.2026. Candidates can apply for only one academic/engineering stream based on their qualification, and no manual or paper applications will be accepted.

Important Dates

Vacancy Details

Note: Candidates with Petroleum Engineering qualification will be considered for all 9 vacancies in that stream; candidates with Applied Petroleum Engineering qualification will be considered for only 7 out of 9 vacancies (UR-3, OBC-2, SC-1, EWS-1). () denotes a carried-forward unfilled vacancy from a previous advertisement. Reservation for Persons with Benchmarked Disabilities (PwBD) will be as per existing government guidelines.*

Eligibility Criteria

Age Limit (as on last date of application, i.e., 31.07.2026):

For Engineering Streams (Sl. No. 1 to 4):

For Geology Stream (Sl. No. 5):

Ex-servicemen candidates receive relaxation equivalent to their reserved category or actual service rendered in Defence Services, whichever is more beneficial. Departmental candidates get relaxation as per category plus further relaxation to the extent of service rendered in ONGC.

Educational Qualification (post-wise):

• Petroleum Engineering: Graduate Degree in Petroleum Engineering or Applied Petroleum Engineering with minimum 60% marks
• Mechanical Engineering: Graduate Degree in Mechanical Engineering with minimum 60% marks
• Chemical Engineering: Graduate Degree in Chemical Engineering with minimum 60% marks (Note: BE/B.Tech. in Chemical Sciences and Technology is not acceptable)
• Instrumentation Engineering: Graduate Degree in Instrumentation Engineering with minimum 60% marks
• Geology: Post Graduate Degree in Geology, or M.Sc./M.Tech in Petroleum Geoscience, or M.Sc./M.Tech in Petroleum Geology, or M.Tech in Geological Technology, all with minimum 60% marks

Courses must be approved/recognized by relevant statutory bodies such as AIU/UGC/AICTE. Qualifications through Distance Learning/part-time mode are also eligible if recognized by relevant statutory bodies. No equivalent qualification will be accepted (e.g., AMIE will not be considered where a Graduate Degree in Engineering is specified). Candidates must have already acquired the qualification on or before the last date of application.

Experience: Not mentioned as a separate requirement; this is an entry-level (E1) recruitment based on qualification.

Nationality: Not explicitly detailed in the notification, though the recruitment is open to eligible Indian nationals as per standard ONGC recruitment norms.

Physical Standards

This recruitment includes detailed provisions for Persons with Benchmarked Disabilities (PwBD) across all five streams:

• Petroleum Engineering: Category C (AAV, LC) — 7 vacancies suitable; Category C (DW) — 2 vacancies (carried forward)
• Mechanical Engineering: Category C (AAV) — 27 suitable vacancies; Category C (LC) — 20; Category C (DW) — 12 (3 carried forward); Category D (SLD, MI) and Category E — 7 (1 carried forward)
• Chemical Engineering: Category C (AAV, DW, LC) — 10 suitable vacancies, 4 reserved (carried forward)
• Instrumentation Engineering: Category A (LV) — 2 suitable, 1 reserved; Category B (HH) — 1 reserved (carried forward)
• Geology: Category B (D, HH) — 4 suitable, 2 reserved (carried forward); Category C (OA, OL, CP, AAV, DW, LC) — 1 reserved (carried forward); Category D (SLD, MI) and Category E — 1

PwBD candidates who are shortlisted will undergo medical examination as per ONGC Medical Examination Rules and will be selected if they satisfy all other medical standards apart from the benchmark disability. Colour blindness (complete or partial) and night blindness are not acceptable for any stream. Myopia/Hypermetropia within specified limits (±4.00 D) is acceptable across all streams.

Salary/Pay Scale

The overall compensation package is approximately ₹26 lacs CTC, along with a 3% annual increment on Basic Pay.

Selection Process

The selection process consists of three stages:

1. Computer Based Test (CBT): An Objective Type test comprising four sections — Concerned Subject/Domain, General Awareness, Aptitude Test, and English Language — of 2 hours total duration.
2. Personal Interview: Candidates are shortlisted for interview in a 1:5 ratio based on CBT scores (candidates meeting the cut-off are also shortlisted even beyond this ratio). Shortlisted candidates may also undergo a Group Discussion, which is not of qualifying nature.
3. Medical Fitness Examination: As per ONGC Medical Examination of Employees Rules.

Final selection weightage: CBT Score — 85 marks, Interview — 15 marks, Total — 100 marks. To qualify in the CBT, General/EWS/OBC candidates need a minimum of 45% marks, while SC/ST/PwBD candidates need a minimum of 40%. To qualify in the Interview, General/EWS/OBC candidates need a minimum of 60% (9 out of 15 marks), while SC/ST/PwBD candidates need a minimum of 40% (6 out of 15 marks). In case of a tie, the candidate with higher CBT score is ranked senior; if still tied, the older candidate is preferred. Departmental candidates are given first consideration in selection matters.

Exam Pattern & Syllabus

The test consists of Multiple-Choice Questions with a total duration of 2 hours. PwBD candidates get compensatory time of 20 minutes per hour, and Blindness/Locomotor disability candidates may avail a scribe with proper certification. There is no negative marking. If the exam is held across multiple sessions, scores will be normalized to account for difficulty variations. Test centres include Delhi/NCR, Mumbai/Thane/Navi Mumbai/MMR, Kolkata, Ahmedabad/Gandhinagar, Chennai, Guwahati, Hyderabad, Udaipur, Nagpur, Jaipur, Mohali, Bhopal, Bengaluru, Raipur, Ernakulam, Surat, Lucknow, Visakhapatnam, and Bhubaneswar. Detailed subject-wise syllabus content is not mentioned in the notification.

Application Fee

Registration fee is non-refundable and must be deposited online. ONGC departmental candidates are also required to pay the applicable fee, which will be reimbursable.

How to Apply

1. Visit the official ONGC website at www.ongcindia.com to register your application online.
2. Keep the following ready before starting: mobile number and email ID for OTP verification, scanned passport-size colour photograph with white background (20kb–50kb, jpg/jpeg), scanned signature (10kb–20kb, jpg/jpeg), Class 10th Certificate for DOB verification, Degree Certificate, consolidated marksheet/transcript for all semesters/years, photo identity proof (Aadhaar/Passport/Driving License/Voter ID), and PAN Card.
3. Select the one Academic/Engineering Stream you are most eligible and desirous for — only one stream can be applied for per candidate.
4. Fill in your personal, educational, and category details accurately in the online application form.
5. Upload all required documents in PDF format, each not exceeding 500 kb.
6. Select your preferred CBT test centre from the list provided — no change in preference will be allowed later.
7. Pay the applicable registration fee (Rs. 1,000/- for GEN/OBC/EWS; free for SC/ST/PwBD) through the online payment facility.
8. Review all entered details carefully, as no changes will be allowed after final submission.
9. Submit the application within the window open from 17.07.2026 to 31.07.2026 (23:59 Hours).
10. If multiple applications are submitted, only the latest one will be considered as final; older applications will be rejected.
11. Retain a copy of the ONGC Registration Slip and Admit Card for future reference — do not tamper with the printout.
12. Regularly check the registered email and mobile number for updates, and download the Call Letter/Admit Card from the ONGC website when available (no separate call letters will be sent by post).

Documents Required

Scanned passport-size colour photograph (white background, jpg/jpeg, 20kb–50kb), scanned signature (jpg/jpeg, 10kb–20kb), Class 10th Certificate for Date of Birth verification, Degree Certificate of Essential Qualification, consolidated marksheet/transcript for all semesters or years, photo identity proof (Aadhaar Card, Passport, Driving License, or Voter ID Card), and PAN Card. Additionally required at the time of document verification: caste certificate (for SC/ST/OBC candidates) in the prescribed proforma, benchmark disability certificate (for PwBD candidates as per Form V/VI/VII), and Income and Asset Certificate (for EWS candidates) issued on or after 01.04.2026.

Important Instructions

• Candidates can apply for only one Academic/Engineering Stream based on their qualification; only online applications will be accepted, with no manual/paper mode.
• Furnishing wrong or false information will lead to disqualification at any stage of the recruitment process, or even after joining.
• No changes to mailing address, Academic/Engineering Stream, Test Centre, or mode of interview will be entertained once declared.
• Candidates employed in PSU/Government Service must produce a No Objection Certificate (NOC) at the time of document verification/interview.
• Employed candidates should resign from their current organization only after being declared medically fit by ONGC.
• ONGC departmental candidates must fill in their own CPF Number in the online form to be considered as departmental candidates.
• OBC (NCL) certificates must be issued on or after 01.04.2026 by the competent authority, with the caste name spelled exactly as per the Central List.
• SC/ST/PwBD candidates attending CBT, and all candidates attending Personal Interviews whose mailing address is outside the test/interview city, will be reimbursed single second-class train fare by the shortest route.
• In case of pandemic-like situations, interviews may be conducted virtually via platforms like Skype, Cisco Webex, Google Meet, WhatsApp, Zoom, or Microsoft Teams — with no TA paid in such cases.
• Canvassing or influencing officials related to the recruitment process will lead to immediate disqualification.
• Disputes, if any, are subject to Delhi Jurisdiction only.
• ONGC does not seek payment of any kind other than the registration fee; candidates should not respond to unscrupulous advertisements and must verify authenticity only via www.ongcindia.com.

Frequently Asked Questions (FAQ)

Q1. How many total vacancies are available under ONGC E1 Recruitment 2026? A1. There are 52 total vacancies across five streams: Petroleum Engineering (9), Mechanical Engineering (27), Chemical Engineering (10), Instrumentation Engineering (2), and Geology (4).

Q2. What is the salary/CTC for ONGC E1 level posts? A2. The approximate CTC is ₹26 lacs, with a Basic Pay Scale of ₹60,000–1,80,000/- at the E1 level, along with substantial allowances and benefits under the Cafeteria Approach.

Q3. What is the selection process for ONGC E1 Recruitment 2026? A3. The selection process consists of three stages: Computer Based Test (CBT), Personal Interview, and Medical Fitness Examination, with weightage of 85 marks for CBT and 15 marks for Interview.

Q4. What is the last date to apply for ONGC E1 Recruitment 2026? A4. The online registration closes on 31.07.2026 at 23:59 Hours; registration opened on 17.07.2026.

Q5. What is the registration fee for this recruitment? A5. GEN/OBC/EWS candidates must pay Rs. 1,000/- (plus convenience fee and GST); SC/ST/PwBD candidates are exempted from the fee.

Q6. What is the age limit for ONGC E1 Recruitment 2026? A6. For Engineering Streams, the maximum age for Unreserved/EWS candidates is 26 years; for the Geology stream, it is 27 years — with relaxations applicable for OBC/SC/ST/PwBD/Ex-servicemen/Departmental candidates.

Q7. When is the ONGC CBT scheduled? A7. The Computer Based Test is tentatively scheduled for 06.09.2026.

Important Links

• Official Website: https://www.ongcindia.com
• Apply Online: https://www.ongcindia.com (online registration link available on this site)
• Download Notification PDF: Not mentioned (available on official website)
• Official Notification: Advertisement No. 2/2026 (R&P)

Conclusion

The ONGC E1 Recruitment 2026 offers an outstanding opportunity for young geologists and engineers to join one of India's most prestigious Maharatna energy companies, with an attractive compensation package of approximately ₹26 lacs CTC and a clear pathway for professional growth. Eligible candidates across Petroleum, Mechanical, Chemical, and Instrumentation Engineering, as well as Geology, are strongly encouraged to complete their online application before the deadline of 31.07.2026. For more such PSU and government job updates, keep visiting certifica.in.