ISI MARK CERTIFICATION FOR PACKAGED DRINKING WATER To ensure the purity, all the manufacturers of Packaged Drinking Water must apply for the ISI Mark Certification in the Bureau of Indian Standards. Packaged Drinking Water is mandatory to be tested and registered under the Indian Standards IS 14543 as per BIS (Govt. of India). Before establishing a plant for drinking water packaging you must have license that is granted the BIS (Govt. of India). As the Aleph India is a single window for all the technical certifications is committed to assist the manufacturers to get their mandatory certification. "We provide our best quality services with economical charges".