A Ration Card is issued by the State Government and managed throughout the country by the Department of Food and Public Distribution. This document is useful for the population below the poverty line (GLP) to buy food and grain in fair-price stores at subsidized prices. The nature of the food card and the procedure for obtaining food cards vary from state to state. The food card issued for a family contains the data of all family members and can therefore be used both as an identity card and as proof of address. If you do not have proof of a valid address, the authorities ask you to make an affidavit.. . .