Over 3% of all drugs sold across India are of substandard quality, according to the first-ever survey conducted by the union ministry of health and family welfare.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/3-drugs-india-are-substandard-shows-health-ministry-survey
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drugs
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-health-and-family-welfare
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health