OIL India Limited — 2026
Grade III | Grade V Workperson | Teacher & Librarian Posts
Exam Overview
- Oil India Limited (OIL) is a Navratna Government of India enterprise and one of India's premier national oil companies. Headquartered in Duliajan, Dibrugarh District, Assam, OIL is one of the largest employers in Upper Assam.
- OIL has two active recruitment drives in 2026: 421 vacancies for Grade III & Grade V Workperson posts, and 29 vacancies for Teacher, PGT, Librarian & Instructor posts (Advt. HRAQ/REC-WP-B/26-125).
- Grade III (Entry-level): ITI-based posts — Security Guard, Fireman, Boiler Attendant, and other trade roles. Pay: Rs. 26,600-90,000/month (~Rs. 17-18 lakh/year). Age: 18-30 years.
- Grade V (Technician-level): Diploma-based posts — Mechanical, Civil, Instrumentation, Chemical & Computer Technicians. Pay: Rs. 32,000-1,27,000/month. Age: Up to 30 years.
- Teacher / Librarian / Instructor: 29 posts at OIL Higher Secondary Schools in Duliajan and Moran. TGT requires Graduation + B.Ed with 45% marks; PGT requires Master's + B.Ed with 50% marks; Librarian requires B.Lib. Pay: Rs. 32,000-1,45,000/month. Applications closed 7 Mar 2026.
- Exam Mode: Computer Based Test (CBT) — Online MCQ, conducted in English and Assamese only. No negative marking. Application fee: Rs. 200 + GST (SC/ST/PwBD/Ex-SM exempted).
- Domicile: Candidates must be from OIL's operational areas — Dibrugarh, Tinsukia, Sivasagar, and Charaideo districts of Assam, or Changlang district of Arunachal Pradesh. Employment Exchange registration is mandatory.
Exam Pattern
Grade III — Computer Based Test
| Subject | Questions | Marks |
|---|---|---|
| English Language & General Knowledge/Awareness | 20 | 20 |
| Reasoning, Arithmetic & Mental Ability | 20 | 20 |
| Domain / Technical Knowledge (Trade-specific) | 60 | 60 |
| Total | 100 | 100 |
Duration: 2 Hours | No Negative Marking | Language: English & Assamese | Qualifying: UR/OBC 50%, SC/ST/PwBD 40%
Grade V — Computer Based Test
| Subject | Questions | Marks |
|---|---|---|
| English Language & General Knowledge/Awareness | 20 | 20 |
| Reasoning, Arithmetic & Mental Ability | 20 | 20 |
| Domain / Technical Knowledge (Diploma-level) | 60 | 60 |
| Total | 100 | 100 |
Duration: 2 Hours | No Negative Marking | Language: English & Assamese | Technical section based on Diploma-level syllabus
Teacher / Librarian / Instructor — Computer Based Test
| Subject | Questions | Marks |
|---|---|---|
| General Knowledge & Current Affairs | 25 | 25 |
| Reasoning & Mental Ability | 25 | 25 |
| Subject / Technical Knowledge | 50 | 50 |
| Total | 100 | 100 |
Duration: 2 Hours | No Negative Marking | Subject Knowledge section covers subject-specific pedagogy and content (B.Ed / B.Lib level)
Selection Process
Grade III
- Computer Based Test (CBT) — 100 marks, 2 hours, MCQ-based
- Physical Test (for Security Guard, Fireman posts — eliminatory)
- Document Verification — originals of educational & category certificates
- Pre-Employment Medical Examination (PEME) — at OIL Hospital, Duliajan
Grade V
- Computer Based Test (CBT) — 100 marks, 2 hours, MCQ-based
- Personal Interview (for select posts)
- Document Verification — originals of educational & category certificates
- Pre-Employment Medical Examination (PEME) — at OIL Hospital, Duliajan
Teacher / Librarian / Instructor
- Computer Based Test (CBT) — 100 marks, MCQ-based
- Document Verification — originals of educational certificates, B.Ed / B.Lib, and experience proof
- Pre-Employment Medical Examination (PEME)
Posts & Salary Details
| Grade | Key Posts | Qualification | Pay Scale (Monthly) | Age |
|---|---|---|---|---|
| Grade III | Security Guard, Fireman, Boiler Attendant | Class X + ITI (NCVT/SCVT) | Rs. 26,600 — 90,000 | 18-30 yrs |
| Grade V | Mechanical, Civil, Instrumentation, Chemical Technician | 3-year Diploma in Engineering | Rs. 32,000 — 1,27,000 | Up to 30 yrs |
Training stipend: Rs. 56,100/month. All posts include DA, HRA, medical facilities, PF, gratuity, and company accommodation. Annual package for Grade III: ~Rs. 17-18 lakh. Age relaxation: SC/ST +5 yrs, OBC +3 yrs, PwBD +10 yrs.
Syllabus
1. English Language
Reading ComprehensionCorrection of SentencesRearrangement of SentencesAntonyms & SynonymsActive/Passive VoiceSpotting ErrorsOne-Word SubstitutionFill in the BlanksPrepositions2. General Knowledge & Awareness
Current Affairs (National & International)Indian History & CultureIndian GeographyGeneral ScienceIndian Polity & ConstitutionIndian EconomySports & ChampionshipsImportant PersonalitiesEnvironmental StudiesQuestions about Oil India Limited3. Reasoning & Mental Ability
AnalogiesAlphabetical & Number SeriesSyllogismCoding & DecodingClassificationVenn DiagramsData Interpretation & SufficiencyAnalytical ReasoningDecision MakingNon-Verbal ReasoningMirror ImagesCubes & Dice4. Arithmetic / Numerical Ability
Number System & SimplificationPercentagesRatio & ProportionProfit & LossTime & WorkTime, Speed & DistanceSimple & Compound InterestAverageMensurationAlgebra & GeometryData InterpretationHCF & LCM5. Technical / Domain Knowledge (Trade-specific)
Electrician — Wiring, Motors, Transformers, CircuitsFitter — Tools, Drilling, Assembly, MeasurementsWelder — Types of Welding, Joints, SafetyMechanic — Engines, Fuel Systems, LubricationInstrumentation — Sensors, Control, CalibrationCivil — Surveying, Materials, ConstructionChemical — Process Chemistry, SafetyComputer — Hardware, Software, Networking
Frequently Asked Questions
What is OIL India Limited and what posts are recruited?
Oil India Limited (OIL) is a Navratna Government of India enterprise and one of India's premier oil and gas companies, headquartered in Duliajan, Dibrugarh District, Assam. OIL recruits Workpersons in Grade III (ITI-based entry-level) and Grade V (Diploma-based technician) categories, as well as Teachers, Librarians, and Instructors for its schools and training centres. Posts include Security Guard, Fireman, Boiler Attendant, Mechanical/Civil/Instrumentation/Chemical Technicians, Graduate Teachers (PGT/TGT), Librarians, and more.
How many vacancies were announced for OIL 2026?
OIL India has two active recruitment drives in 2026: (1) 421 vacancies across 22 categories for Grade III and Grade V Workperson posts, and (2) 29 vacancies for Teacher, PGT, Librarian & Instructor posts at OIL Higher Secondary Schools in Duliajan and Moran. The Teacher/Librarian notification was released on 5 Feb 2026 under Advt. No. HRAQ/REC-WP-B/26-125.
What are the OIL India Teacher / Librarian posts?
OIL India announced 29 vacancies for Graduate Teachers (TGT), Post Graduate Teachers (PGT), Librarians, and Instructors at OIL Higher Secondary Schools in Duliajan and Moran (Assam) and Group Vocational Training Centre. Teachers need B.Ed from an NCTE-recognized institution; PGTs need a Master's Degree with 50% marks + B.Ed; Librarians need B.Lib. Pay scale: Rs. 32,000–1,45,000/month. Applications closed on 7 Mar 2026.
What is the exam pattern for OIL India CBT?
The OIL India CBT is a 100-mark online MCQ exam of 2 hours duration. Section A: English Language & GK/Awareness (20 marks, 20%). Section B: Reasoning, Arithmetic & Mental Ability (20 marks, 20%). Section C: Domain/Technical Knowledge based on trade/discipline (60 marks, 60%). There is NO negative marking. The exam is conducted in English and Assamese.
What is the eligibility for OIL India Grade III?
Grade III requires ITI (NCVT/SCVT) in the relevant trade with age 18-30 years. Grade V requires a 3-year Diploma in the relevant engineering discipline with age up to 30 years. Candidates must be from OIL's production/exploration areas in Assam (Dibrugarh, Tinsukia, Sivasagar, Charaideo districts) or Changlang district of Arunachal Pradesh. Employment Exchange registration is required.
What is the salary for OIL India posts?
Grade III: Pay scale Rs. 26,600-90,000/month (annual package ~Rs. 17-18 lakh including allowances). Grade V: Pay scale Rs. 32,000-1,27,000/month. Training stipend is Rs. 56,100/month. All posts include DA, HRA, medical facilities, PF, gratuity, and company accommodation.
Is OIL India recruitment only for Assam candidates?
For Workperson posts, candidates must typically be from OIL's operational areas — districts of Dibrugarh, Tinsukia, Sivasagar, and Charaideo in Assam, or Changlang in Arunachal Pradesh. A valid Employment Exchange registration card from the relevant area is mandatory. The CBT exam is conducted in English and Assamese only, which is a significant advantage for local candidates.
What are the qualifying marks for OIL India CBT?
General (UR) and OBC candidates need minimum 50% marks (50 out of 100) to qualify. SC/ST/PwBD candidates need minimum 40% marks (40 out of 100). Merit list is prepared based on CBT scores within each category.
What documents are required for OIL India recruitment?
Candidates must present: Educational mark sheets & certificates (ITI/Diploma/Degree), Category certificate (SC/ST/OBC/EWS), Valid Employment Exchange registration card from the relevant area, Identity proof (Aadhaar/PAN), Domicile certificate, Age proof, and any trade-specific certificates. All originals must be produced during document verification.