4/1/2019 · Nil rate of GST on Flour Aata, maida, besan etc. [other than those put up in unit container and bearing a registered brand name] is nil rate. No GST payable on sale of Wheat or meslin flour. 1102 Cereal flours other than of wheat or meslin i.e. maize (corn) flour, Rye flour, etc falls under GST exemption list.