Bis Certification For Condensed Milk Partially Skimmed And Skimmed Condensed Milk BIS Certification as per IS 1166 for Condensed Milk, Partially Skimmed and Skimmed Condensed Milk. Products certified under the Bureau of Indian Standards Act, 2016 and rules made thereunder can be marked with the Standard Mark. This standard prescribes the methods of test required for IS 1166 Sweetened Condensed Partially Skimmed Milk, High Fat Milk. All condensed milk must bear ISI Mark to be sold in the Indian consumer market. Note: IS 1166 applies to packs in sealed unit containers and not to any type of open container.