Nourishment science including the utilization of logical devices and methods, including hereditary designing, sub-atomic markers, sub-atomic diagnostics, immunizations, and tissue culture, to adjust living life forms: plants, creatures, and microorganisms. Every food item does not contain all essential components. That’s why every food article is not possessing perfect nutrition. For example rice is used as staple food in many countries of world. But being devoid of vitamin A, it’s not a perfect staple food. Use of Biotechnological techniques has solved these problems through introduction of foreign vitamin A gene.