The BIS ISI (Indian Standards Institution) scheme, now known as the BIS Certification Mark Scheme, is a conformity assessment scheme implemented by the Bureau of Indian Standards (BIS) in India. It is designed to ensure the quality, safety, and reliability of various products sold in the Indian market. Under the BIS ISI scheme, specific product categories are identified, and manufacturers are required to obtain the BIS certification mark before their products can be sold in India.

The BIS certification mark indicates that a product meets the relevant Indian standards (IS) specified by BIS. These standards cover a wide range of products, including electrical appliances, industrial machinery, automotive components, food products, and consumer goods. The certification process involves testing and evaluation of the product's compliance with the applicable standards, as well as factory inspections to ensure the manufacturer's quality management system is in place.

The BIS ISI scheme plays a vital role in safeguarding consumer interests and ensuring that products meet the necessary quality and safety requirements. It helps in building trust between manufacturers, consumers, and regulatory authorities by ensuring adherence to established standards and specifications. The BIS certification mark is widely recognized and accepted across India, providing assurance to consumers about the quality and safety of the certified products.