Option 1 -> This relates to schemes like ICDS or maternal nutrition programs, not Annapurna.
Option 2 -> This describes the Mid-Day Meal Scheme for school children, not Annapurna.
Option 3 -> This may relate to schemes like SABLA, but not the Annapurna Scheme.
Option 4 -> The Annapurna Scheme specifically targets indigent senior citizens aged 65+ who are eligible for NOAPS but not receiving pension.
Hence, Option 4 -> The Annapurna Scheme was launched to provide food security to destitute elderly citizens who, despite being eligible for the National Old Age Pension Scheme, are not receiving any pension due to exhaustion of funds or other reasons. They receive 10 kg of food grains per month at no cost -> correct