Explanation:

The correct answer is option 'B', which stands for Antyodaya Anna Yojana (AAY). It is a government scheme launched in December 2000 by the Ministry of Food and Consumer Affairs. The main objective of this scheme is to provide highly subsidized food grains to the poorest of the poor families in India.

Features of Antyodaya Anna Yojana (AAY):

- Identification of Beneficiaries: Under this scheme, the identification of beneficiaries is done by the respective State Governments/UT administrations. The families that are identified under this scheme are the poorest of the poor who are not able to meet their daily food requirements.

- Subsidized Rates: The food grains are provided to the beneficiaries at a highly subsidized rate of Rs. 3 per kg for wheat and Rs. 2 per kg for rice. The subsidy is borne by the Central Government.

- Quantity of Food Grains: Under this scheme, each beneficiary family is entitled to receive 35 kg of food grains per month.

- Distribution of Food Grains: The food grains are distributed through the Fair Price Shops (FPS) that are operated by the State Governments/UT administrations. The beneficiaries are issued a ration card, which they can use to purchase the food grains from the FPS.

- Coverage: The AAY scheme covers about 2.5 crore families across the country.

Conclusion:

The Antyodaya Anna Yojana (AAY) is a government scheme that aims to provide highly subsidized food grains to the poorest of the poor families in India. The scheme ensures that the beneficiaries are able to meet their daily food requirements at affordable rates. The scheme has been quite successful in reaching out to the needy families and has been able to provide them with the required support.