Development of health system, concept and principles of primary health care services. History and evolution of PHC; components of PHC. Elements of PHC, oral re-hydration therapy, screening, disease surveillance, immunology and immunization techniques, cold chain technology, essential drugs: drug revolving fund, control of common endemic diseases, reproductive health, maternal and child health and many others. Resources for PHC delivery, Strengths, Weaknesses, Opportunities & Threats (SWOT) analysis of PHC. Participatory techniques in PHC delivery. Maternal and child survival strategies and many others; Basic Healthcare Provision Fund.