Mangoes are considered the king of fruits and are grown in southern India. India is the largest producer of mangoes, which are consumed domestically and exported worldwide. The document discusses two main varieties of Indian mangoes - Safeda and Sinduri. It also provides information on food preservation methods like canning, freezing, and drying to extend the shelf life of foods and allow for storage and export. Various Indian pickles and preservatives are listed. The purpose of food preservation is outlined as prolonging the life of foods and stopping or slowing spoilage to allow for longer storage.