Pressure cookers one of the most essential cooking appliance in every household be it in rural or urban areas. They are specially designed to make the cooking chore easy and less time consuming. It consumes less time to cook food than conventional cooking methods and thus saves energy and time as well. Due to the shorter cooking time, vitamins of foods are preserved relatively well. Here food is cooked at a temperature above the normal boiling point of water, killing the majority of micro-organisms.