Homogenized Milk

Homogenization is an entirely separate process that occurs after pasteurization in most cases. The purpose of homogenization is to break down fat molecules in milk so that they resist separation. Without homogenization, fat molecules in milk will rise to the top and form a layer of cream. Homogenizing milk prevents this separation from occurring by breaking the molecules down to such a small size that they remain suspended evenly throughout the milk instead of rising to the top.

Pasteurized Milk

Pasteurization is the process of heating milk up and then quickly cooling it down to eliminate certain bacteria. For effective pasteurization, milk can be heated up to 145 degrees Fahrenheit for 30 minutes, but this method isn't very common. More common is heating milk up to at least 161.6 degrees Fahrenheit for 15 seconds, which is known as High-temperature Short-Time (HTST) pasteurization, or flash pasteurization. This method will keep milk fresh for two to three weeks. Then there's Ultra-Heat Treatment (UHT), whereby milk is heated to 280 degrees Fahrenheit for a minimum of two seconds. This processing results in a shelf life that can extend up to nine months. Milk treated with pasteurization or HTST is labeled as "pasteurized," while milk treated with UHT is labeled as "ultra-pasteurized."

Skimmed Milk

Skimmed milk (United Kingdom), or skim milk (United States of America) is made when all the cream (also called milkfat) is removed from whole milk. Sometimes, only half the cream is removed, resulting in semi-skimmed milk instead. Skimmed milk is more popular in the United States than Britain. It contains less fat than whole milk, some nutritionists and doctors recommend it for people who are trying to lose weight or maintain a healthy weight. Skim milk tends to have a slightly watery flavor

Normal Milk

Milk is a nutrient-rich, white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for infant mammals before they are able to digest other types of food. Early-lactation milk contains colostrum, which carries the mother's antibodies to its young and can reduce the risk of many diseases. It contains many other nutrients including protein and lactose. Interspecies consumption of milk is not uncommon, particularly among humans, many of whom consume the milk of other mammals.

India is the world's largest producer of milk, and is the leading exporter of skimmed milk powder, yet it exports few other milk products.[6][7] The ever increasing rise in domestic demand for dairy products and a large demand-supply gap could lead to India being a net importer of dairy products in the future.