Service Code:Â DBL-403Â |Â Department:Â Directorate of Boilers
Purpose:
The Application for Approval of Manufacturer/Exector of Boilers service enables companies to obtain official approval for manufacturing or erecting boilers through the e-District portal. This service is designed for:
– Boiler manufacturing companies seeking regulatory approval – Boiler erection firms requiring official certification – Industrial equipment manufacturers under boiler regulations – Authorized representatives handling industrial licensing
Required Information:
Mandatory Application Details:
Company Type Selection:
– Manufacturer or Exector (choose one)
Manufacturer/Exector Company Details:
– Name Of the Company – Status of Ownership (Partnership, Private Limited, etc.) – Owner`s Name(s) – can add multiple owners
Company Address:
– State, District, Taluk, Revenue Village – Street details, Block No./Name, Door No., PIN Code
Boiler Details:
– Type of Boiler (Shell Type Boilers, Water Tube Boilers) – Capacity specifications (TPH – Tons Per Hour)
Company Registration Details:
– Registration Number – Lease details (if applicable)
Manpower and Equipment Details:
–Â Tools and Plants Required for Manufacturing
Contact Details:
– Phone/Landline No. with STD Code – Email Id (Mandatory) – Mobile Number
Special Requirements:
–Â Comprehensive Application:Â Detailed company and technical information required –Â Document Submission:Â Multiple supporting documents needed –Â Payment:Â Service charge applicable –Â Operator Assistance:Â Requires operator login for application
Step-by-Step Application Process:
1. Visit the Portal: Login to e-Sevai Tamil Nadu portal as Operator
2. Navigate to Service: Click on Services → Directorate of Boilers → DBL-403 Application for Approval of Manufacturer/Exector of Boilers
3. Fill Application Form: Complete all mandatory fields (*):
– Select Manufacturer or Exector type – Company Details (name, ownership, owners) – Company Address (complete d details) – Boiler Details (type and capacity) – Company Registration Details – Manpower and Equipment Details – Contact Details (email mandatory)
4. Submit Application: Click Submit to generate application number
5. Upload Required Documents:
– Supporting documents as required –Â Formats:Â PDF, JPEG, JPG, PNG –Â File size limits:Â As prescribed
6. Make Payment:
– Payment Mode: CASH – Service Charge: ₹120 – Click Confirm Payment
7. Download Acknowledgement: Click Print Receipt
After Submission:
–Â Application Tracking:Â View under Submitted Applications –Â Approval Process:Â Reviewed by director –Â Certificate Generation:Â Issued upon approval –Â Digital Certificate:Â Downloadable –Â Email Notification:Â Sent to applicant
Downloading Approval Certificate:
1. Go to Check Status section
2. Enter Application Number: TN-XXXXXXXXXXXX
3. Click Search
4. Click Download certificate once status is “Application Approved”
Important Notes:
– Company Type: Must specify Manufacturer or Exector – Technical Capacity: Must specify boiler type and capacity – Ownership Details: Multiple owners allowed – Documentation: All required documents mandatory – Payment: ₹120 service charge – Validity Period: 1 year – Regulatory Compliance: Follow Indian Boiler Regulations, 1950 – Welder Qualifications: Must meet IBR standards – Design Approval: Required from inspecting authority – Annual Renewal: Must renew before expiry – Renewal Fee: ₹6000
Apply Online:Â https://tnedistrict.tn.gov.in
Assistance:Â Visit your nearest e-Sevai / CSC Centre
This guide is based on the Tamil Nadu e-District User Manual (DBL-403). Government of Tamil Nadu, 2018.

