Step 1: Understanding the Concept:
The question asks for the specific quality certification mark used for precious metals like gold and silver in India.
Step 2: Detailed Explanation:
(1) Ecomark: This mark is issued by the Bureau of Indian Standards (BIS) for products that are environmentally friendly.
(2) FSSAI: This is a mandatory license mark for food products, ensuring their safety and quality.
(3) ISI Mark: This is a certification mark for industrial products, ensuring they conform to Indian standards of safety and quality. It is not used for gold.
(4) Hallmark: The BIS Hallmark is the system for certifying the purity of gold and silver jewellery sold in India. It consists of several marks, including the BIS logo, the purity grade (e.g., 22K916 for 22-carat gold), and a unique identification number. This is the correct mark to look for on gold jewellery.
Step 3: Final Answer:
The standardization mark to check for quality and purity on gold jewellery is the Hallmark.