Food distributed to the poorer sections of society through government-regulated ration shops comes under which system?

What is the stock of food grains procured and maintained by the government through FCI for food security called?

Which of the following statements are correct regarding food availability and food security in India? 1. Food availability in a country depends on the domestic production, imports, and stock stored in government granaries. 2. Food security can be ensured without ensuring physical and economic access to food. 3. The Green Revolution significantly improved food security by increasing agricultural productivity. 4. Climate change has no impact on India's long-term food security.