Public health refers to all the measures taken up by public or private sector to prevent diseases and to keep the whole population healthy. Indian constitution obligates the government to ensure right to health for every citizen. Central Council of Health and Family Welfare has been formed which provides assistance to government in implementing health related policies through analysis of information and data collected over the years related to health. Indian health system has been expanding over the years. Health system in India follows a three-tier system – primary, secondary and tertiary. In recent years, several major measures have been taken by state to control diseases. Some of them are:

1. Organisation of camps to immunize children from polio, leprosy, small pox, diphtheria, tetanus, etc.
2. Spreading awareness about diseases like (AIDS, HIV, TB) and measures to control them through use of all types of advertisement media.
3. Expansion in number of government hospitals and dispensaries which has led to increased bed capacity from 1.2 to 6.3 lakh.
4. Increased number of Primary Health Centre’s (PHCs) and hospitals managed by voluntary agencies and private organisations at the village level.
5. Expansion in skilled professionals and para-medical professionals through opening of new medical and pharmacy colleges.
6. Increased efforts by states to raise awareness about the use of clean and safe drinking water.
7. Swacch Bharat Mission is a recent programme, which promotes cleanliness and proper sanitation around us.