The Brainliest Answer!
Food corporation of India(F.C.I) procures food and distributes this food among the poorer section of the society by the government . This is called Public Distribution System ( P.D.S) . This food is stored in Fair Price Shops or Ration shops . It includes foodgrains( Wheat , rice) , sugar , Kerosene oil for cooking . These things are sold to poor peoples at a very low price as compared to market price . Hence people with low wages can get food at low income because of PDS and had a relief of security of there food . 

Hence PDS ensure better food security for peoples .
3 4 3