GST on albumins and whey protein concentrates requires compliance with amended schedule and applicable tax procedures. Imposition of GST at 18% from 22-09-2025 on albumins, albuminates and other albumin derivatives, including concentrates of two or more whey proteins containing by weight more than 80% whey proteins calculated on the dry matter, as classified in the relevant goods schedule, pursuant to Notification No. 09/2025 - IGST(Rate).