Gold HUID, computerized XRF assaying and precious-metal processing for jewellery manufacturers, wholesalers and retailers — accurate, transparent, same-day.
11+
Years of Expertise
24hr
Max Turnaround
100%
BIS Compliance
23K958
22K916
20K833
18K750
14K585
9K375
01
Micro-laser BIS hallmarking with full job-wise certification, strictly under BIS guidelines.
02
Non-destructive X-ray fluorescence assay that reads purity with laboratory precision.
03
Fully documented melting under strict digital weight parameters — zero discrepancy.
04
Controlled refining that recovers fine gold from old ornaments and scrap, transparently.
05
Assay-backed exchange values for old gold — fair and immediate.
06
A dedicated logistics team collects from your shop and returns hallmarked items safely.
Backed by a solid educational background holding a B.Sc (Bachelor of Science) degree and being professionally trained from the prestigious Precious Metals Assay and Training Institute, Mr. Surajit Das brings unmatched scientific precision to the precious metal industry.
With over 11+ Years of Rich Industry Experience in gold assaying, hallmarking, and refinery management, he has built Kalika Hallmarking & Assay Centre into a symbol of ultimate trust and precision in Burrabazar, Kolkata.
“In this trade, reputation is measured like gold — to the third decimal.
Surajit Das
Founder & CEO
Message us on WhatsApp and our secure team collects items directly from your shop
Purity verified on XRF, then marked with micro-laser BIS hallmarking.
Hallmarked items return to your counter with accurate weight statements.
OUR BIS RECOGNITION NO. ERO/RAHC/R-7018453
GSTIN: 19ABEFK4359F1Z5
Detailed work statements every month for error-free auditing.
Verification support and paper trail for every individual job.
Digital weight and process records tracked at every single step.
Open reporting system with a dedicated client coordinator.
Thanks to advanced laser systems and an optimized workflow, most jobs settle the same day — and never beyond 24 hours.
State-of-the-art computerized XRF (X-Ray Fluorescence) — a non-destructive method that measures precious-metal purity with absolute precision.
No. The entire melting sequence is transparent, well-documented and executed under strict digital weight parameters — what goes in is what’s accounted for.
Yes — our dedicated, secure pickup & drop team collects consignments from your shop and returns them hallmarked, with full weight statements.
Burrabazar, Kolkata, West Bengal
Monday – Saturday · 10:00 AM – 8:00 PM
+91 98361 53999
khac.burrabazar@gmail.com
Burrabazar, Kolkata, West Bengal
Monday – Saturday · 10:00 AM – 8:00 PM
+91 98361 53999
+91-33-6826 325
kalikatounch.burrabazar@gmail.com
© 2026 Kalika Hallmarking & Assay Centre · All rights reserved,