Which of the following hospitals come under the tertiary sector?

1. All India Institute of Medical Science
2. Post Graduate Institute
3. All India Institute of Hygiene and Public Health
4. National Institute of Mental Health and Neuro Sciences

A, B, C, and D

All those hospitals which have advanced level equipment and medicines and undertake all the complicated health problems, which could not be managed by primary and secondary hospitals, come under the tertiary sector. The tertiary sector also includes many premier institutes which not only impart quality medical education and conduct research but also provide specialized health care. Some of them are:

1. All India Institute of Medical Science, New Delhi
2. Post Graduate Institute, Chandigarh
3. Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry
4. National Institute of Mental Health and Neuro Sciences, Bangalore 
5. All India Institute of Hygiene and Public Health, Kolkata