The document discusses India's health care system and delivery models at primary level. It begins by defining health care and outlining India's constitutional mandate to improve public health. It then describes the primary health care model comprising multiple tiers from village to district levels. Key functions at village level include village health guides, dais/traditional birth attendants, anganwadi workers, and ASHAs. The roles and training of these frontline workers are explained. The document also outlines the national health policy and goals to achieve 'Health for All' through primary healthcare approach.