The Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) has invited online applications for 108 apprenticeship training places for the 2026–27 training year. The intake is for Graduate Apprentices and Technician (Diploma) Apprentices in engineering disciplines.
Online applications opened on 17 September 2026 and the last date to enroll on the NATS portal and apply against CMWSSB is 17 October 2026.
Candidate note: This is a one-year apprenticeship training engagement, not a regular permanent government appointment. Applicants must be from Tamil Nadu, must have completed the relevant qualification in 2022, 2023, 2024, 2025 or May 2026, and candidates who have already completed/currently undergoing NATS/NAPS apprenticeship or who have one year or more work experience are not eligible.
CMWSSB Apprentice Recruitment 2026 Overview
| Particular | Details |
|---|---|
| Organisation | Chennai Metropolitan Water Supply and Sewerage Board |
| Recruitment | Graduate Apprentice & Technician (Diploma) Apprentice |
| Training year | 2026–27 |
| Total training places | 108 |
| Graduate Apprentice | 76 |
| Technician (Diploma) Apprentice | 32 |
| Application mode | Online through NATS |
| Application start | 17 September 2026 |
| Last date | 17 October 2026 |
| Training duration | 1 year |
| Location | Chennai, Tamil Nadu |
| Selection | Merit based on qualifying marks + certificate verification |
| Application fee | Nil / no fee notified |
| Stipend | ₹12,300/month (Graduate); ₹10,900/month (Diploma) |
Vacancy Details
| Apprentice Category | Discipline | Training Places | Monthly Stipend |
|---|---|---|---|
| Graduate Apprentice | Civil Engineering / Mechanical Engineering | 52 | ₹12,300 |
| Graduate Apprentice | Electrical & Electronics Engineering | 24 | ₹12,300 |
| Technician (Diploma) Apprentice | Civil Engineering | 10 | ₹10,900 |
| Technician (Diploma) Apprentice | Electrical & Electronics Engineering | 22 | ₹10,900 |
| Total | — | 108 | — |
The official notice combines Civil and Mechanical Engineering under one 52-seat Graduate Apprentice row, so candidates should rely on the NATS listing and notification for discipline-specific availability while applying.
Educational Qualification
| Category | Qualification |
|---|---|
| Graduate Apprentice | Full-time Degree in Engineering or Technology in the relevant discipline from a recognised statutory university/institution, or recognised equivalent professional-body qualification |
| Technician (Diploma) Apprentice | Full-time Diploma in Engineering or Technology in the relevant discipline from a recognised State Board/Council, university or equivalent recognised institution |
Only candidates who passed the relevant qualification in 2022, 2023, 2024, 2025 or May 2026 are eligible under this recruitment.
Important Eligibility Restrictions
| Condition | Requirement |
|---|---|
| State eligibility | Candidates must be from Tamil Nadu |
| Passing years | 2022, 2023, 2024, 2025 or May 2026 |
| Previous apprenticeship | Candidates who already completed NATS/NAPS apprenticeship are not eligible |
| Current apprenticeship | Candidates currently undergoing NATS/NAPS apprenticeship are not eligible |
| Work experience | Candidates with one year or more experience are not eligible |
| Age | As per applicable Apprenticeship Rules |
| Physical standards | As prescribed under applicable Apprenticeship Rules |
Important Dates
| Event | Date |
|---|---|
| Online application starts | 17 September 2026 |
| Last date to enroll/apply through NATS | 17 October 2026 |
| Shortlist declaration | Fourth week of October 2026 |
| Certificate verification | First week of November 2026 (tentative) |
Application Fee
The notification does not prescribe an application fee for this apprentice intake.
| Category | Fee |
|---|---|
| All eligible candidates | Nil |
Stipend & Training Period
| Category | Monthly Stipend | Training Duration |
|---|---|---|
| Graduate Apprentice | ₹12,300 | 1 year |
| Technician (Diploma) Apprentice | ₹10,900 | 1 year |
Selection Process
| Stage | Details |
|---|---|
| Shortlisting | Based on percentage of marks obtained in the prescribed Degree/Diploma qualification, discipline-wise |
| Communication | Shortlisted candidates are informed through their registered email ID |
| Certificate Verification | Shortlisted candidates must attend verification at CMWSSB, Chennai |
| Final engagement | Subject to eligibility and certificate verification |
No written examination is specified in the notification for this apprentice intake.
How to Apply
- Open the NATS 2.0 Portal.
- Register as a student/apprentice or log in with your existing account.
- Complete or update your profile and qualification details.
- Under advertised vacancies, search for CHENNAI METROPOLITAN WATER SUPPLY AND SEWERAGE BOARD.
- Check that the establishment corresponds to CMWSSB (NATS User ID: STNCHS000035).
- Enter your Degree/Diploma percentage correctly. The notification specifically requires candidates to provide the percentage of marks/CGPA conversion in the portal.
- Apply for the eligible Graduate or Technician (Diploma) Apprentice category.
- Confirm that the application status shows Applied.
- Complete the process on or before 17 October 2026.
Documents to Keep Ready
| Document | Purpose |
|---|---|
| B.E./B.Tech Degree / Provisional Certificate | Graduate Apprentice eligibility |
| Diploma / Provisional Certificate | Technician Apprentice eligibility |
| Consolidated mark sheet | Qualification and percentage verification |
| NATS enrollment details | Online application |
| Tamil Nadu eligibility/supporting documents | State eligibility verification where required |
| Community / reservation certificate | If claiming reservation |
| Photo ID | Identity verification |
| Email and mobile number | Recruitment communication |
Important Links
| Link | Purpose |
|---|---|
| NATS 2.0 Portal | Registration and online application |
| Official CMWSSB Apprentice Notification PDF | Official recruitment notification |
| CMWSSB Official Website | Organisation website |
Frequently Asked Questions
How many apprentice seats are available?
There are 108 training places: 76 Graduate Apprentice and 32 Technician (Diploma) Apprentice seats.
What is the last date to apply?
The last date to enroll/apply through NATS is 17 October 2026.
Who can apply?
Eligible Engineering Degree or Diploma holders from Tamil Nadu who passed in 2022, 2023, 2024, 2025 or May 2026, subject to the discipline and other restrictions in the notification.
Can candidates with previous apprenticeship training apply?
No. Candidates who have already undergone or are currently undergoing NATS/NAPS apprenticeship are not eligible.
Can candidates with work experience apply?
Candidates with one year or more work experience are not eligible.
Is this a permanent government job?
No. This is a one-year apprenticeship training engagement.
Is there a written examination?
No written examination is specified. Shortlisting is based on qualifying examination marks, followed by certificate verification.