Oil India Limited Recruitment – Complete Guide for Grade A, B, and C Posts in Duliajan, Assam

Published On: September 5, 2025
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Oil India Limited, a prestigious Maharatna Public Sector Undertaking under the Government of India, has announced a recruitment drive for multiple technical and administrative positions in its Duliajan, Assam operations. The recruitment aims to hire competent professionals in Grade A, Grade B, and Grade C positions, spanning engineering, technical, legal, HR, and administrative roles. This guide provides a detailed overview of eligibility, educational qualifications, age criteria, pay structure, job responsibilities, and the application procedure for interested candidates.

Overview of Oil India Limited

Oil India Limited ranks among India’s leading upstream oil and gas enterprises.

It operates across exploration, drilling, production, and refinery segments while maintaining high standards of corporate governance and employee welfare. This recruitment drive is designed to fill vacancies across three pay grades – Grade C for entry-level engineering roles, Grade B for mid-level officers and technical specialists, and Grade A for senior administrative and executive roles.

Important Dates

The recruitment process will be conducted in several phases with clearly defined timelines:

  • Opening of Online Application: late August
  • Last Date for Submission of Online Application: late September
  • Tentative Date of Computer-Based Test (CBT): early November
  • Cut-Off Date for Age, Experience, and Qualifications: late September

Candidates are advised to adhere to these timelines to ensure their applications are considered valid.

Categories of Posts and Vacancies

Grade C Vacancies

Post NamePost CodeTotal PostsURSCPwBD Eligibility
Superintending Engineer (Production)SPE-01312HH, AAV, OA, OL, Dw, MD

Total Grade C Vacancies: 3

Grade B Vacancies

Post NamePost CodeTotal PostsUROBC(NCL)SCSTEWSPwBD Eligibility
Senior Officer (Chemical)CH-02621111Dw, AAV
Senior Officer (Chemical Engineering)CE-03621111HH, AAV, OA, OL, Dw, MD
Senior Officer (Civil)CIV-0452111LV, HH, OA, LC, Dw, AAV, MD
Senior Officer (Electrical)EE-05621111HH, OL, Dw, AAV, LC, ASD(M), SLD, MD
Senior Officer (Petroleum)PE-0611HH, OA, OL, CP, LC, Dw, AAV, SLD, MI, MD
Senior Accounts Officer / Senior Internal AuditorAC-075311LV, HH, OA, BL, OL, CP, LC, Dw, AAV, MDy, MD
Senior Officer (IT)IT-08321HH, OL, BL, CP, LC, Dw, AAV, MD
Senior Officer (Mechanical)ME-09351411424HH, OA, OL, LC, Dw, AAV, SLD, ASD(M), MD
Senior Officer (Fire & Safety)FS-1011NA
Senior Officer (Public Affairs)PA-11211LV, OA, OL, LC, Dw, AAV, SLD, MD
Senior Officer (HSE)S&E-1211NA
Senior Officer (Geophysics)GP-134211OA, OL, OAL, LC, Dw, AAV, SLD, MD
Senior Officer (Geology)GEO-14321HH, OA, OL, CP, LC, Dw, AAV, SLD, MI, MD
Senior Officer (Legal/Land)LL-155311LV, HH, OL, OA, OAL, LC, Dw, AAV, SLD, MD
Senior Officer (HR)HR-16321LV, HH, OA, BL, OL, OAL, CP, Dw, AAV, MDy, ASD, SLD, MI, MD
Senior Officer (Security)SO-1711OA, CP, LC, Dw, AAV, SLD, MD
Senior Officer (Company Secretary)COS-1811LV, HH, OA, OL, OAL, CP, LC, Dw, AAV, MDy, MD
Senior Officer (Electronics & Communication)E&C-19942111HH, OA, OL, Dw, AAV, LC, CP, ASD(M), SLD, MD

Total Grade B Vacancies: 97

Grade A Vacancies

Post NamePost CodeTotal PostsUROBC(NCL)SC/STPwBD Eligibility
Confidential SecretaryCS-201PwBD-01 (Backlog)LV, HH, OA, BL, OL, OAL, CP, LC, Dw, AAV, ASD, SLD, MI, MD
Hindi Officer (Official Language)HO-2111LV, HH, OA, BL, OL, OAL, CP, LC, Dw, AAV, MDy, SLD, MI, MD

Total Grade A Vacancies: 2

Overall Vacancies

GradeTotal Posts
Grade C3
Grade B97
Grade A2

Total Vacancies for OIL 2025 Recruitment: 102

Eligibility Criteria

Candidates must meet specific age, educational, and work experience criteria for each post:

  • Age: As per cut-off date. Age limits can be relaxed for reserved categories, candidates with disabilities, ex-servicemen, and specific domicile holders. Maximum permissible age for internal OIL candidates is set.
  • Educational Qualifications: Candidates must have the requisite degree or postgraduate degree with minimum performance criteria as indicated for each post. Relevant diplomas or professional certifications may also be required.
  • Work Experience: Post-qualification experience is mandatory. For technical posts, additional certifications and hands-on experience are essential.

Pay Structure & Benefits

OIL provides a highly competitive pay package with allowances:

  • Grade A: ₹50,000 – ₹1,60,000 per month.
  • Grade B: ₹60,000 – ₹1,80,000 per month.
  • Grade C: ₹80,000 – ₹2,20,000 per month.

Additional benefits include:

  • Housing allowance or company-leased accommodation
  • Free medical facilities for self and dependents
  • Gratuity and provident fund
  • House building and vehicle loans
  • Group insurance
  • Other allowances as per company policy

Selection Process

The selection process involves multiple stages:

  • Computer-Based Test (CBT): Focused on technical knowledge, quantitative aptitude, and reasoning.
  • Personal Interview (PI): Evaluates your professional expertise, communication abilities, and overall fit for the position.

Some positions rely on post-qualification experience and verification of credentials.

Application Procedure

  1. Online Registration: Initiate registration on the OIL portal.
  2. Application Form: Accurately provide your personal, academic, and professional information.
  3. Documents Required:
    • Valid email and mobile number
    • Scanned passport-size photograph
    • Scanned signature
    • Documents Required: Educational certificates, proof of work experience, and PwBD certificates if relevant.
  4. Payment of Fees: Non-refundable fee applicable for certain categories, while reserved and PwBD candidates are exempt.

Applicants must ensure the accuracy of all details, as incorrect information may result in disqualification.

Reservation Policy

OIL adheres to government-mandated reservation policies for SC, ST, OBC-NCL, EWS, and PwBD categories. PwBD candidates are eligible for specific posts depending on the nature of disability.

Key Tips for Candidates

  • Verify Eligibility: Ensure that age, qualifications, and experience match the post requirements.
  • CBT Preparation: Concentrate on subject-related knowledge, logical reasoning, and aptitude skills.
  • Document Readiness: Keep all certificates and experience proofs ready in advance.
  • Follow Deadlines: Submit applications on time to avoid technical delays.
  • PwBD Candidates: Have prescribed certificates issued by a competent authority.

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