**Antyodaya Anna Yojana (AAY) Details**

**Core Concept**
The Antyodaya Anna Yojana (AAY) is a government scheme aimed at providing subsidized food grains to the poorest of the poor families in India. The scheme is designed to ensure that the most vulnerable sections of society have access to affordable food.

**Why the Correct Answer is Right**
The AAY scheme provides wheat at a highly subsidized rate of Rs. 2 per kilogram to the beneficiary families. This rate is significantly lower than the market price, making it an essential support system for the economically disadvantaged. The scheme is implemented by the Department of Food and Public Distribution, Government of India.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is not correct as the rate of wheat under AAY is not Rs. 3 per kilogram.
* **Option B:** This option is incorrect as the rate of wheat under AAY is not Rs. 1 per kilogram.
* **Option D:** This option is incorrect as the rate of wheat under AAY is not Rs. 5 per kilogram.

**Clinical Pearl / High-Yield Fact**
It is essential to note that the AAY scheme is a crucial component of the government's efforts to alleviate poverty and hunger in India, particularly among the most vulnerable populations.

**Correct Answer: C. Rs. 2 per kilogram**