Consider the following statements about the Public Distribution System : 1. The Public Distribution System is operated under the joint responsibility of Centre and State/Union Territories. 2. Food Corporation of India has assumed the responsibility for procurement, storage and transportation of food grains to the State Governments. 3. Both Centre and State have the joint responsibility to identify eligible beneficiaries. 4. Some States also distribute additional items of mass consumption through the PDS outlets such as pulses, edible oil, etc. Which of the statements given above are correct ?