The National Cooperative Dairy Federation of India will buy 1,500 tonne de-oiled rice bran and 300 tonne of rice polish through a reverse electronic auction on Friday. The commodities, used as cattle feed, will be bought on behalf of the Erode District Co-Operative Milk Producers’ Union. The National Cooperative Dairy Federation of India, which has nearly 200 dairy cooperatives as members, has developed an online trading platform to purchase feed stock and sell dairy products.