The Annapurna Scheme is a food security program designed to help older people who do not get money from the National Old Age Pension Scheme. Under this program, beneficiary receives 10 kg of food grains each month for free. To qualify, a person must be 65 years old or older and have very little money to live on, with no help from family. The Annapurna Scheme is important for older citizens who do not have other support, ensuring they have enough food to eat.