The Research Designs and Standards Organisation (RDSO) approves vendors for safety-critical and specified items used by Indian Railways. Suppliers apply online for the relevant item, undergo capacity and capability assessment, submit samples for testing, and are approved initially as developmental vendors before possible upgradation, enabling them to bid in railway tenders.
Process
- Identify item and specification.
- Apply online with documents and fee.
- Capacity and quality system assessment.
- Prototype or sample testing.
- Approval and field trials where needed.
Requirements
- Manufacturing facility and testing equipment
- Quality management system
- Qualified staff
After approval
Participate in tenders and maintain approval through surveillance.
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Get expert help →Other railway approvals
Some items are approved by other railway units or production units.
Frequently asked questions
How long does RDSO approval take?
Often several months to over a year for complex items.
Can traders register?
Approval is generally for manufacturers.
Is ISO 9001 required?
A QMS is expected; ISO certification helps.
Is IREPS registration separate?
Yes, IREPS is the e-procurement portal for bidding.
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