Cooperative Milk Producers' Unions and through procurement of milk from villagers helps in economic development of farming community and also facilitates the processing and manufacturing of various milk products. It is headquartered located at Aavin Illam, Kumbakonam, Thanjavur District and has three dairy plants at the following locations in Thanjavur. Thiruvidaimarudur - capacity of 4 LLPD Thanjavur - capacity of 3 LLPD Kumbakonam - capacity of 4 LLPD These dairies collect milk from district unions, process and pack in sachets and send for sale to the consumers. Currently the organisation is purchasing 38 lakhs to 40 lakhs litre of milk per day and it has installed cloud based technology to monitor quality, quantity, pricing, and temperature control of the milk. The Ambattur product Dairy is engaged in the manufacture of milk products. The first Hi-Tech Aavin parlour in Coimbatore will open in March 2021. In February 2021, Tamil Nadu chief minister Edappadi K Palaniswami laid the foundation stone for two major Aavin plants to be constructed at Virudhunagar district. The Enjar village unit is being constructed at ₹70.15 crore and will fill high-temperature milk automatically in tetra packets and the daily average output at this unit will be around 25,000 tetra packs. The second plant in Srivalliputhur will produce milk products like yoghurt, curd, lassi, buttermilk and other probiotics. Both the plants are being financed by National Bank for Agriculture and Rural Development (NABARD). In February 2021, Aavin has floated a tender to construct an ice cream plant with a capacity of 6,000 litres per day at the company's Kottapattu complex on the Trichy-Pudukkottai national highway and is proposed to be constructed at a cost of ₹43 crore under the Dairy Processing and Infrastructure Development Fund (DIDF) and will also house a fermented dairy production unit with a capacity of 10,000 litres/day and allied infrastructure. In September 2017, Aavin announced that it would be launching seven varieties of milk-based sweets for Deepavali. Tamil Nadu Co-operative Milk Producers' Federation Limited entered into agreements with six vendors for sale of milk and milk products produced by it within India and export to United Arab Emirates, Ajman, Oman, Qatar, Canada and US and earn around ₹6 crores per year. Controversies In 2012, there were widespread rumors about the milk being adulterated when the milk was being transported from cooperative societies to dairies. In 2014, a major adulteration racket was busted by the police