ISI Mark certification is conducted by the Bureau of Indian Standards (BIS) for product safety and quality. The certification scheme is voluntary but necessary to attain license from the food safety regulator FSSAI for manufacturing and selling packaged drinking water in India. ISI certification is mandatory for obtaining an FSSAI license and Registration to import packaged drinking water and mineral water into India. call us on +91-7558 640 644 to know more about ISI mark certification for packaged drinking water and mineral water.