Pressure Cookers are used to cook food faster. For ingredients that require a longer time to cook, you can use them. It saves cooking time.
Generally 1.5-2,3,5 Litre Pressure Cookers are available. Even higher capacity are available. Cookers made of aluminium, stainless steel and hard anodised aluminium are available.
Cookers with both gas and induction compatible base are available. Gas compatible cookers cannot be used for induction stove.