Many meats, fish, fruits and vegetables are perishable and their storage life can be extended by refrigeration. Fruits, many vegetables and processed meat, such as sausages are stored at temperatures just slightly above freezing to prolong their life. The frozen food supply chain typically consists of following links. Freezing, refrigerated storage, transportation in refrigerated trucks, display in a refrigerated case at food malls and finally storage in the home freezer of domestic refrigerator. The spurt in world trade and global movement of farm merchandise and food articles calls for adoption of transport refrigeration