WHO has asked the government to search all known vaccine cold chain storage points and conduct a physical check of state health facilities.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/who-suggests-probe-prohibited-polio-vaccine-circulation-telangana
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-chronicle-telangana
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/telangana
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/polio
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vaccination
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/immunisation
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/child-health
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health