Overview
Chennai Petroleum Corporation Limited (CPCL), a Navratna Public Sector Organization and Group Company of Indian Oil Corporation Ltd. has published an official recruitment notification for the position of Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation) (Advertisement No. 01 of 2026 – CPCL/HRD:03:055) for a total of 60 vacancies. The last date to submit applications is 11 September 2026 (23:59 Hrs). Job location: Chennai, Tamil Nadu (refining capacity of 10.
Particulars Details Organization Chennai Petroleum Corporation Limited (CPCL), a Navratna Public Sector Organization and Group Company of Indian Oil Corporation Ltd. Location Chennai, Tamil Nadu (refining capacity of 10.5 MMTPA) No. 01 of 2026 – CPCL/HRD:03:055 Notification Date 14 August 2026 Post Name Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation) Total Posts 60 Cadre Non-Supervisory Cadre, Grade IV Application Mode Online only, via www.cpcl.co.in Note: The number of vacancies indicated is tentative and may increase or decrease in the relevant categories at the absolute discretion of Management, in compliance with the Presidential Directives on reservation.
Quick Reference
| Particulars | Details |
|---|---|
| Organisation | Chennai Petroleum Corporation Limited (CPCL), a Navratna Public Sector Organization and Group Company of Indian Oil Corporation Ltd. |
| Post Name | Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation) |
| Advertisement No. | 01 of 2026 – CPCL/HRD:03:055 |
| Total Vacancies | 60 |
| Application Mode | online_or_offline |
| Application Start Date | 14 August 2026 |
| Application Last Date | 11 September 2026 (23:59 Hrs) |
| Age Limit | Relaxation in Upper Age Limit | 13 years (OBC); | 15 years (SC), if considered against reserved positions |
| Application Fee | General / EWS / OBC: ₹500 (non-refundable), plus applicable bank charges | Nil (No application fee mentioned in official source) |
| Salary / Pay Scale | IDA Pay Scale | ₹25,000 – ₹1,05,000 | Starting Basic Pay | ₹25,000 (no pay protection admissible) |
| Selection Process | Tentative Issuance of Admit Card for CBT | 10 days before the CBT | Tentative Computer Based Test (CBT) |
| Job Location | Chennai, Tamil Nadu (refining capacity of 10 |
| Official Website | https://www.cpcl.co.in/ |
| Source Name | cpcl.co.in |
| Freshness Reference Date | 14 August 2026 |
Vacancy Details
UR: 19 | SC: 4 | OBC: 12 | EWS: 4
26 Unreserved (UR) 34 Reserved Category Total 60 Total Posts
| Category | Number of Posts |
|---|---|
| SC | 13 |
| ST | 15 |
| OBC | 26 |
| EWS | 5 |
Eligibility Criteria & Educational Qualification
Position | Qualification | Experience | CPCL01 – Production | 3-year Diploma in Chemical/Petroleum/Petrochemical Engineering, or B.Sc. with Chemistry as major subject; min. 60% aggregate (General/OBC/EWS), 55% for SC against reserved posts | Min. 3 years' relevant post-qualification experience in Continuous Process Units of Refining/Chemical/Petrochemical/Fertilizer/Gas Processing industry (Fired Heaters, Exchangers, Pumps & Compressors, Distillation Columns, Reactors, etc.) | CPCL02 – Mechanical | 3-year Diploma in Mechanical Engineering; min. 60% aggregate (General/OBC/EWS), 55% for SC/PwBD against reserved posts | Min. 3 years' experience in maintenance of rotary equipment (Pumps/Compressors/Turbines) and stationary equipment (boilers, exchangers, columns, piping, valves, tanks) in R...
Position Qualification Experience CPCL01 – Production 3-year Diploma in Chemical/Petroleum/Petrochemical Engineering, or B.Sc. with Chemistry as major subject; min. 60% aggregate (General/OBC/EWS), 55% for SC against reserved posts Min. 3 years' relevant post-qualification experience in Continuous Process Units of Refining/Chemical/Petrochemical/Fertilizer/Gas Processing industry (Fired Heaters, Exchangers, Pumps & Compressors, Distillation Columns, Reactors, etc.) CPCL02 – Mechanical 3-year Diploma in Mechanical Engineering; min. 60% aggregate (General/OBC/EWS), 55% for SC/PwBD against reserved posts Min. 3 years' experience in maintenance of rotary equipment (Pumps/Compressors/Turbines) and stationary equipment (boilers, exchangers, columns, piping, valves, tanks) in Refinery/Petrochemical/Chemical/Fertilizer/Power Plant or large industrial establishments CPCL03 – Electrical 3-year Diploma in Electrical/Electrical & Electronics Engineering; min. 60% aggregate (General/OBC/EWS), 55% for SC/PwBD against reserved posts Min. 3 years' experience maintaining Motors, Transformers, Generators, HT/LT switchgear, UPS, Battery banks, VFDs, with ability to troubleshoot control circuits, in a continuous process industry CPCL04 – Instrumentation 3-year Diploma in Instrumentation/Instrumentation & Electronics/Instrumentation & Control/Electronics & Communication; min. 60% aggregate (General/OBC/EWS), 55% for SC against reserved posts Min. 3 years' experience in process control instrume...
Age Limit & Relaxations
Relaxation in Upper Age Limit | 13 years (OBC); | 15 years (SC), if considered against reserved positions
Upper age limit for all positions: 30 years, as on 01.07.2026. Category Relaxation in Upper Age Limit SC / ST 5 years, if considered against reserved positions OBC (Non-Creamy Layer) 3 years, if considered against reserved positions Persons with Benchmark Disabilities (PwBD) 10 years (General); 13 years (OBC); 15 years (SC), if considered against reserved positions Ex-Servicemen Service rendered in Armed Forces + 3 years, subject to a maximum age of 50 years Important: Cumulative age relaxation is not available, either within the above items or in combination with any other item. Only a Secondary/Higher Secondary Board certificate will be accepted as age proof.
Age relaxation is provided to candidates belonging to SC, ST, OBC, PwBD, and Ex-Servicemen categories in accordance with official government guidelines.
Application Fee
General / EWS / OBC: ₹500 (non-refundable), plus applicable bank charges | Nil (No application fee mentioned in official source)
Category Fee General / EWS / OBC ₹500 (non-refundable), plus applicable bank charges SC / ST / PwBD / Ex-Servicemen / Women Exempted – no fee payable Payment is accepted online only, via SBI e-Pay (Debit/Credit Card, UPI, or Net Banking). Fees once paid are not refundable under any circumstances, including if a candidate applies for more than one post (only one application per candidate is permitted).
Salary & Pay Scale
IDA Pay Scale | ₹25,000 – ₹1,05,000 | Starting Basic Pay | ₹25,000 (no pay protection admissible)
Particulars Details Cadre Non-Supervisory Cadre, Grade IV IDA Pay Scale ₹25,000 – ₹1,05,000 Starting Basic Pay ₹25,000 (no pay protection admissible) Other Benefits DA, HRA/Self-Lease, PF, Gratuity, LTC/LFA, Medical reimbursement, Superannuation benefits, as per Corporation rules
Selection Process
Tentative Issuance of Admit Card for CBT | 10 days before the CBT | Tentative Computer Based Test (CBT)
Selection comprises a Computer Based Test (CBT), followed by Document Verification of shortlisted candidates, and a qualifying Skill, Proficiency and/or Physical Test (SPPT).
Important Dates
Notification Date: 14 August 2026 | Opening of Online Application: 14 August 2026 | Last Date for Submission of Online Application & Payment: 11 September 2026 (23:59 Hrs) | Computer Based Examination Dates: 01.07.2026
Event Date Opening of Online Application 14 August 2026 Last Date for Submission of Online Application & Payment 11 September 2026 (23:59 Hrs) Tentative Issuance of Admit Card for CBT 10 days before the CBT Tentative Computer Based Test (CBT) September / October 2026, at Chennai only Note: Educational qualification, work experience, and age are all reckoned as on 01.07.2026. Candidates are advised to apply well before the closing date rather than waiting until the last date, to avoid last-minute website load issues.
- Notification Release Date: 14 August 2026
- Online Application Start Date: 14 August 2026
- Application Last Date: 11 September 2026 (23:59 Hrs)
- Examination Date: 01.07.2026
How to Apply
Apply online through https://cpcl.onlineregistrationform.org/TNCPCL/index.action
Visit www.cpcl.co.in, read the instructions, tick the declaration checkbox, and click Continue. Select the post from the "Post Applying For" dropdown and complete new-user signup with basic personal details; validate your e-mail ID and mobile number via OTP. Log in using the User ID and password sent to your e-mail/mobile. Fill in Personal Details (parents' names, marital status, photo ID, addresses), then Academic Details and Work Experience (mandatory for all four posts). Upload a recent passport-size photograph (20–60 KB, JPG/JPEG/PNG) and scanned signature (10–30 KB, JPG/JPEG/PNG). Upload scanned documents/certificates in PDF (60 KB–2 MB). Review all details on the Preview page, using "Edit" links to correct any section if needed. Click Proceed to Payment, accept the declaration, and click Submit — no further changes are possible after this. Complete payment via Net Banking/Debit Card/Credit Card/UPI (where applicable), then download the application form and payment receipt from the dashboard. Important: Each candidate may apply for only one post using a single e-mail ID and mobile number. Candidates need not send application printouts or certificate copies by post; candidature is considered purely on the strength of information declared online.
Links Supplied in the Excel Row
| Label | URL | Status |
|---|---|---|
| Apply Online | https://cpcl.onlineregistrationform.org/TNCPCL/index.action | Supplied in important_links; no verification status provided in the Excel row. |
| Official Notification | https://www.cpcl.co.in/wp-content/uploads/2026/08/Detailed-Adertisemen... (PDF) | Supplied in important_links; no verification status provided in the Excel row. |
| Application Mode | https://www.cpcl.co.in/ | Verified (exact match with official_website_link) |
Sources and Verification
| Field | Exact Value from Excel Row |
|---|---|
| category | employment_news |
| official_website_link | https://www.cpcl.co.in/ |
| freshness_reference_date | 14 August 2026 |
These values are reproduced exactly from the supplied Excel row and may require verification.
Last verified: 14 August 2026
Frequently Asked Questions
What is the last date to apply for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation)?
The last date for submitting applications for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation) is 11 September 2026 (23:59 Hrs). Candidates should submit their applications prior to the deadline to avoid technical issues.
How many vacancies are announced for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation)?
A total of 60 vacancies have been notified for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation) by Chennai Petroleum Corporation Limited (CPCL), a Navratna Public Sector Organization and Group Company of Indian Oil Corporation Ltd.. Detailed category-wise distribution is available in the official notification.
What is the educational qualification required for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation)?
The required educational qualification is: Position | Qualification | Experience | CPCL01 – Production | 3-year Diploma in Chemical/Petroleum/Petrochemical Engineering, or B.Sc. with Chemistry as major subject; min. 60% aggregate (General/OBC/EWS), 55% for SC against reserved posts | Min. 3 years' relevant post-qualification experience in Co. Candidates should verify their specific degree/diploma requirements in the official notification.
What is the age limit for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation)?
The age limit criteria is: Relaxation in Upper Age Limit | 13 years (OBC); | 15 years (SC), if considered against reserved positions. Age relaxations are provided for SC, ST, OBC, PwBD, and Ex-Servicemen categories as per government rules.
What is the salary scale for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation)?
Selected candidates will receive salary as per: IDA Pay Scale | ₹25,000 – ₹1,05,000 | Starting Basic Pay | ₹25,000 (no pay protection admissible). Additional allowances such as DA, HRA, and medical benefits apply as per institutional norms.
What is the selection process for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation)?
The selection procedure involves: Tentative Issuance of Admit Card for CBT | 10 days before the CBT | Tentative Computer Based Test (CBT). Candidates must clear all applicable evaluation rounds for appointment.
What is the application fee for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation)?
The application fee structure is: General / EWS / OBC: ₹500 (non-refundable), plus applicable bank charges | Nil (No application fee mentioned in official source).
How can candidates apply for Junior Engineering Assistant-IV (Production / Mechanical / Electrical / Instrumentation)?
Applications must be submitted online_or_offline through the official portal (https://www.cpcl.co.in/) as specified in the recruitment instructions.