To know what ‘Food Security’ and ‘Minimum Support Price’ mean in the context of the economic growth of a country you can go to the subject index given below from Poverty and Famines — An Essay on Entitlement and Deprivation by Amartya Sen. Under which heading in the index are you likely to find these topics?
We can find the concepts of ‘food security’ and ‘minimum support price’ under the last three topics relating to food in the given box.