Maize (Zea mays L.) is the world’s leading crop and is widely cultivated as cereal grain that was domesticated in Central America. It is one of the most versatile crops having wider adaptability. Globally, maize is known as queen of cereals because of its highest genetic yield potential. Maize is the only food cereal crop that can be grown in diverse seasons and ecologies. Beside this maize have many types like normal yellow or white grain, sweet corn, baby corn, popcorn, waxy corn, high amylase corn, high oil corn, quality protein maize, etc. Apart from this, maize is an important industrial raw material and provides large opportunity for value addition.