The so-called Avahan project was launched in 2003 in Andhra Pradesh, Karnataka, Maharashtra and Tamil Nadu, along with the northeastern states of Manipur and Nagaland, using a massive grant from the Bill and Melinda Gates Foundation.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/hiv-project-india-averted-100000-infections-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/andhra-pradesh
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/aids
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/population
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drugs
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diseases
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/preventive-medicine
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/manipur
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nagaland
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health