ONGC Engineer & Geologist (E1) Interview Call Letter 2026 Out — Latest Update
ONGC has released the Interview Call Letter for candidates shortlisted after the CBT under Advt. No. 2/2026 (R&P) for Geologists and Engineers at E1 level. Download it between 7 and 29 October 2026 using the Registration No and Password emailed to you at registration. As of 8 October 2026, ONGC’s Results page shows no separate CBT result list for this advertisement. The download page does not list interview dates or venues, so read your letter carefully.
| Interview Stage | What the Notification Says |
|---|---|
| Call letter download | 7 October 2026 to 29 October 2026 |
| Login details | Registration No / Roll No and Password / DOB (DD-MM-YY) |
| Sent by post? | No. Downloading and printing the call letter is the candidate’s responsibility |
| Interview qualifying marks | General / EWS / OBC: 9 out of 15; SC / ST / PwBD: 6 out of 15 |
| Final merit weightage | CBT 85 : Interview 15 |
| Group Discussion | Shortlisted candidates may also face a GD; it is not of qualifying nature |
| Document verification | Eligibility is verified against original documents only after interview shortlisting; a call letter does not mean candidature is finally cleared |
| Employed in PSU / Govt service | Produce an NOC; without it you may appear provisionally on an undertaking to submit the NOC or get relieved before joining |
| EWS candidates | Submit the Income and Asset Certificate (issued on or after 01.04.2026) at the time of interview |
| Travel fare | Single second-class to-and-fro rail fare (shortest route or actual fare, whichever is less) if your mailing address is outside the interview centre; no TA if the interview is virtual |
| After the interview | Qualified candidates go to the Medical Examination; the offer of appointment goes only to those declared medically fit |
| Medical (vision) | Complete or partial colour blindness and night blindness not acceptable; myopia / hypermetropia up to 4.00 D (including cylinder) acceptable |
| Disqualification | Wrong or false information; canvassing in any form |
👉 ONGC E1 Interview Call Letter 2026 Login
👉 Visit ONGC Engineer & Geologist (E1) Official Website
ONGC Engineer & Geologist Recruitment 2026: 52 E1 Vacancies Overview
Oil and Natural Gas Corporation (ONGC), India’s Maharatna energy giant, has released a recruitment notification for 52 posts of Engineers and Geologists at the E1 executive level in 2026. Selected candidates join one of India’s biggest PSU employers on the E1 pay scale, with a CTC of around ₹26 lakh per year.
The online application window ran from 17 July 2026 to 31 July 2026 and is now closed. ONGC has since released the interview call letter for candidates shortlisted after the CBT. This recruitment covers five streams — Petroleum, Mechanical, Chemical and Instrumentation Engineering, plus Geology. Keep visiting GovtJobsAlert.in for the latest PSU job alerts.
What are the Key Highlights of ONGC Engineer & Geologist Recruitment 2026?
ONGC contributes over 73% of India’s oil and 57% of its gas production, and offers one of the best compensation packages in the industry.
- Organisation: Oil and Natural Gas Corporation (ONGC)
- Post Names: Engineer (E1) & Geologist (E1)
- Total Vacancies: 52
- Salary: E1 pay scale ₹60,000 – ₹1,80,000 per month (CTC around ₹26 lakh/year)
- Job Location: Anywhere in India or abroad
- Last Date to Apply: 31 July 2026 (registration closed)
How Many Vacancies are in ONGC Engineer & Geologist Recruitment 2026?
The 52 posts are divided among five streams as shown below. You can apply for only one stream that matches your qualification.
| Stream | Category-wise Vacancies | Total |
|---|---|---|
| Mechanical Engineering | UR 12, OBC (NCL) 6, SC 5*, ST 1, EWS 3 | 27 |
| Chemical Engineering | UR 4, OBC (NCL) 4, SC 1, ST 0, EWS 1 | 10 |
| Petroleum Engineering | UR 4, OBC (NCL) 2, SC 2, ST 0, EWS 1 | 9 |
| Geology | UR 2, OBC (NCL) 0, SC 1, ST 1, EWS 0 | 4 |
| Instrumentation Engineering | UR 2, OBC (NCL) 0, SC 0, ST 0, EWS 0 | 2 |
| Total | UR 24, OBC (NCL) 12, SC 9, ST 2, EWS 5 | 52 |
*Mechanical Engineering SC includes 1 carried-forward vacancy from the previous advertisement. Candidates with Applied Petroleum Engineering are considered for only 7 of the 9 Petroleum seats (UR-3, OBC-2, SC-1, EWS-1). PwBD reservation applies as per government guidelines.
What is the Eligibility for ONGC Engineer & Geologist 2026?
You need the correct degree with the minimum required marks and must be within the age limit. The requirements differ for the engineering streams and the geology stream.
Educational Qualification
- 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.
- Instrumentation Engineering: Graduate Degree in Instrumentation Engineering, with minimum 60% marks.
- Geology: PG Degree in Geology, M.Sc / M.Tech in Petroleum Geoscience or Petroleum Geology, or M.Tech in Geological Technology, with minimum 60% marks.
If you are an engineering graduate seeking government jobs, ONGC is one of the best PSUs to aim for.
Age Limit
- Maximum age (for UR / EWS): 26 years for the engineering streams and 27 years for the geology stream, calculated as on 31 July 2026.
- Age relaxation: OBC (NCL) +3 years, SC / ST +5 years, PwBD +10 years, and Ex-Servicemen as per the rules.
🎂 Not sure if you meet the age criteria? Use our free Age Calculator for Government Exams to find your exact age on the cut-off date and instantly check your eligibility — including SC / ST / OBC / PwBD age relaxation. →
What is the Salary for ONGC Engineer & Geologist 2026?
The E1-level post offers one of the best pay packages among Indian PSUs.
- Pay Scale (E1): ₹60,000 – ₹1,80,000 per month
- Allowances: 35% of basic pay under the Cafeteria Approach, plus Dearness Allowance, HRA / company accommodation, and Performance Related Pay.
- Approximate CTC: around ₹26 lakh per year.
You also get medical facilities, provident fund, gratuity and post-retirement benefits.
What is the Selection Process for ONGC Engineer & Geologist 2026?
Selection is based on a Computer Based Test followed by an interview and a medical check. Prepare well, because the CBT decides your shortlisting.
- Computer Based Test (CBT): 85 questions in 2 hours — 40 from your domain subject, 25 aptitude, 10 general awareness and 10 English. There is no negative marking.
- Personal Interview: carries 15 marks. The final merit uses a weightage of CBT 85 : Interview 15.
- Medical Fitness Test as per ONGC medical rules.
Candidates are shortlisted for the interview in a 1:5 ratio. To prepare topic-wise, use the exam syllabus and pattern guides on GovtJobsAlert.in.
How to Apply for ONGC Engineer & Geologist 2026 (Registration Closed)
Registration closed on 31 July 2026 (23:59 hours). Applications were accepted online only, for one stream per candidate. Shortlisted candidates should now download the interview call letter from the link in Essential Links below.
What are the Important Dates for ONGC Engineer & Geologist 2026?
| Event | Date |
|---|---|
| Online Application Starts | 17 July 2026 |
| Last Date to Apply | 31 July 2026 |
| CBT Date (Tentative) | 6 September 2026 |
| Interview Call Letter Download Starts | 7 October 2026 |
| Last Date to Download Interview Call Letter | 29 October 2026 |
What is the Application Fee for ONGC Engineer & Geologist 2026?
| Category | Fee |
|---|---|
| GEN / OBC / EWS | ₹1,000 |
| SC / ST / PwBD | Nil |
The fee is non-refundable and must be paid online. It excludes any convenience charges and GST.
Essential Links — ONGC Engineer & Geologist Recruitment 2026
- ONGC E1 Interview Call Letter 2026 Login
- Download Official Notification PDF
- ONGC E1 Application Portal (Registration Closed)
- Visit ONGC Official Website
- Join WhatsApp Channel for Government Jobs
- Join Telegram Channel for Government Jobs
Registration closed on 31 July 2026; if you have been shortlisted, download your interview call letter by 29 October 2026 and prepare well for the interview. For more post-graduate and PSU government jobs, keep visiting GovtJobsAlert.in.