BIS Recognized Hallmarking Centre

The gold standard of trust.

Gold HUID, computerized XRF assaying and precious-metal processing for jewellery manufacturers, wholesalers and retailers — accurate, transparent, same-day.

XRF Purity Testing Old Gold Melting Refinery Services Gold Exchange Secure Pickup & Drop Gold HUID
XRF Purity Testing Old Gold Melting Refinery Services Gold Exchange Secure Pickup & Drop Gold HUID

11+

Years of Expertise

24hr

Max Turnaround

100%

BIS Compliance

bis certified

Gold for grade/fineness

23K958

22K916

20K833

18K750

14K585

9K375

What We Do

Six services. One promise — purity you can prove.

01

BIS Gold Hallmarking

Micro-laser BIS hallmarking with full job-wise certification, strictly under BIS guidelines.

02

Computerized XRF Testing

Non-destructive X-ray fluorescence assay that reads purity with laboratory precision.

03

Old Gold Melting

Fully documented melting under strict digital weight parameters — zero discrepancy.

04

Old Gold Refinery

Controlled refining that recovers fine gold from old ornaments and scrap, transparently.

05

Old Gold Exchange

Assay-backed exchange values for old gold — fair and immediate.

06

Pickup & Drop Facility

A dedicated logistics team collects from your shop and returns hallmarked items safely.

Leadership & Expertise

Science first.Trust Always.

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

How It Works

From your counter to certified — in 3 moves.

01

Collection

Message us on WhatsApp and our secure team collects items directly from your shop

02

Test & Hallmark

Purity verified on XRF, then marked with micro-laser BIS hallmarking.

03

Deliver & Report

Hallmarked items return to your counter with accurate weight statements.

OUR BIS RECOGNITION NO. ERO/RAHC/R-7018453

GSTIN: 19ABEFK4359F1Z5

Radical Clarity

Every gram, on the record.

Monthly Statements

Detailed work statements every month for error-free auditing.

Job-wise Documentation

Verification support and paper trail for every individual job.

Accurate Weight Records

Digital weight and process records tracked at every single step.

Transparent Reporting

Open reporting system with a dedicated client coordinator.

Questions, Answered

Before you ask.

How long does the hallmarking process take?

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.

Let's certify your gold.

Location

Burrabazar, Kolkata, West Bengal

Hours

Monday – Saturday · 10:00 AM – 8:00 PM

Phone

+91 98361 53999

Email

khac.burrabazar@gmail.com

Contact for gold testing.

Location

Burrabazar, Kolkata, West Bengal

Hours

Monday – Saturday · 10:00 AM – 8:00 PM

Phone

+91 98361 53999
+91-33-6826 325

Email

kalikatounch.burrabazar@gmail.com

© 2026 Kalika Hallmarking & Assay Centre · All rights reserved,