Shreyas plays a crucial role in promoting public health at the community level. Shreyas often works in partnership with governments and other stakeholders to address major health challenges such as disease epidemics, poverty, and malnutrition. Provision of services includes medical, social and psychological services as well as integration activities, care and nursing, material and financial support, educational and information services and training. Health advocacy is a combination of individual and social actions designed to gain political commitment, policy support, social acceptance and systems support for a particular health goal or program.