Bureau of Indian Standards (BIS)

The Bureau of Indian Standards is India’s national standards body. It acts as the hallmarking agency for gold and silver, certifying the purity and fineness of jewellry. BIS-certified jewellry assures consumers of its quality and adherence to Indian standards.

BIS Hallmarking Components

BIS hallmarking consists of five components:

1. BIS Standard mark
2. Purity grade (e.g., 916 for 22 karat gold)
3. Mark of the hallmarking centre
4. Year of hallmarking
5. Jewellers identification mark