## Core Concept
The National Rural Health Mission (NRHM) aims to strengthen rural healthcare infrastructure. Accredited Social Health Activists (ASHA) workers play a crucial role in this mission by acting as a bridge between the community and the public health system. The principle of primary health care being tested here relates to the accessibility and community participation.

## Why the Correct Answer is Right
The correct answer, **Community Participation**, is the principle that is being followed when ASHA workers are recruited from the same village. This approach ensures that the health workers are of the community, by the community, and for the community. It fosters trust, improves communication, and increases the likelihood that health services will be utilized by the community. Community participation is a core principle of primary health care as it encourages involvement of the community in planning, implementing, and monitoring health services.

## Why Each Wrong Option is Incorrect
- **Option A: Accessibility** is a principle of primary health care but it refers to the ease with which people can obtain health services when and where they need them. While recruiting ASHA workers locally does contribute to accessibility, it specifically addresses the issue of community involvement rather than just physical or geographical access.
- **Option B: Acceptability** refers to the extent to which health services are acceptable to the community. While community-based recruitment can enhance acceptability, it is more directly related to the cultural and social appropriateness of the services rather than the process of recruitment itself.
- **Option C: Availability** refers to the physical availability of health services and facilities. Local recruitment of ASHA workers does not directly equate to the availability of health services or infrastructure.

## Clinical Pearl / High-Yield Fact
A key point to remember is that the ASHA workers are not just health educators but also act as facilitators and catalysts for change within their communities. Their local recruitment is a strategic move to ensure **community participation** in health care, making health services more acceptable, accessible, and available to the rural population.

## Correct Answer: D. Community Participation