Get latest articles and stories on India at LatestLY. The West Assam Milk Producers' Cooperative Union Ltd (WAMUL), which operates the Purabi Dairy brand, has registered an increase in its bouquet of value-based milk products, along with a rise in milk procurement and sales figures, an official said on Friday. India News | Assam's Purabi Dairy Recorded Rise in Sales, Milk Procurement in 2023: Official.