About CHCA
Trusted Hallmarking Information
Coimbatore Hallmarking Centre Association supports clear, reliable information on BIS hallmarking, HUID traceability, and local oversight.
Our Role in Coimbatore
CHCA represents BIS-affiliated hallmarking centres and helps jewellers and the public understand the information behind every hallmark.
Our purpose
Make Hallmarking Clear
We bring together practical information on the BIS hallmarking scheme so stakeholders can make informed decisions.
Traceability
Explain HUID Simply
HUID supports traceability in the hallmarking process. CHCA helps make this important concept easier to understand.
Oversight
Support Responsible Practice
We share information on CTBO oversight and the role of BIS-affiliated hallmarking centres in Coimbatore.
Our commitment
Information That Builds Trust
CHCA exists to make hallmarking information more accessible for Coimbatore’s jewellery community and the people it serves.
Our focus is practical: explain the BIS hallmarking scheme, clarify HUID traceability, and point visitors toward current information from BIS-affiliated hallmarking centres.
Clear information helps every stakeholder approach hallmarking with greater confidence.
CHCA
By sharing reliable local context, CHCA supports a more informed conversation around quality, traceability, and responsible jewellery practice.
Learn more
Understand Hallmarking Better
Explore the BIS hallmarking scheme and HUID traceability information for Coimbatore.