Odisha Chief Minister Naveen Patnaik on Wednesday inaugurated a State-of-the-art mega dairy processing plant in Cuttack district. The ` 273-crore Odisha State Cooperative Milk Producers Federation (Omfed) plant at Arlio near Cuttack city will increase farmers' incomes and benefit around 6 lakh agriculturists, Patnaik said in his address. Technical consultancy for the plant has been provided by NDDB.