Bis Certification BIS Certification is not only paper based certificate. It helps both domestic and foreign manufacturers in ensuring product manufacturing, consumer confidence, and environmental protection. The validity period of BIS certification is only two years, some fees are required to get it renewed. Covering over 900 products, the BIS Certification Scheme allows licensees to use the popular ISI mark on their product. BIS provides common rules for third party certification systems to determine conformity with product standards through preliminary testing and evaluation. The Indian Standards Institution introduced the Product Certification Scheme in 1955 which became synonymous with quality products in the Indian markets through preliminary testing and evaluation of factory quality management systems.