The modern food processing techniques is the key to flourishing supermarkets we have today. Extra nutrients can be added while processing the food and processed food is less susceptible to spoilage. Some of the techniques used are spray drying, juice concentrates, freeze drying and the introduction of artificial sweeteners, colorants, and preservatives. Of late, many products such as dried instant soups, reconstituted fruits and juices, and self cooking meals were developed for the convenience of working people.The food processing industries are involved in processes such as primary and secondary processing, preservation, quality management, packaging and labeling of a variety of products such as dairy products, fish products, fruit & vegetable products, meat & poultry products, confectionery products and food grain.