CHCA
Coimbatore Hallmarking Centres Association
“Uniting Hallmarking Centres for Purity, Trust & Integrity.”
Coimbatore Hallmarking Centres Association (CHCA) brings together BIS-recognised Hallmarking Centres across Coimbatore, promoting professional standards, responsible hallmarking practices and public confidence in purity.
About CHCA
Hallmarking Information You Can Trust
CHCA provides information on BIS-affiliated hallmarking centres, the BIS hallmarking scheme, HUID traceability, and CTBO oversight in Coimbatore.
BIS Hallmarking
HUID Traceability
Coimbatore Centres
Hallmarking & HUID
Learn how HUID supports traceability and helps identify hallmarked jewellery.
Guidance
Find the Information You Need
Gallery
Various events conducted by BIS or CHCA .
HUID Process and Marking
Every AHC has to go through several Process before marking HUID
Revised Hallmarking Rates
Rates effective 14 September 2026. GST applies as indicated.
Gold
Hallmarking charges for gold articles.
- ₹75 + GST per article
- Minimum ₹200 + GST (2 pcs)
- Effective 14 September 2026
Silver
Hallmarking charges for silver articles.
- ₹35 + GST per article
- Minimum ₹150 + GST
- Effective 14 September 2026
Need Guidance?
Explore hallmarking and HUID information.
- BIS hallmarking information
- AHC Operations
- New License / Renewal
Contact
Send an Enquiry
Use this form to request information CHCA or for any Job requirement across our member centres
Coimbatore Tamil Nadu .India