A polio-derived vaccine virus was earlier found in April in the Amberpet nala.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/polio-virus-found-two-nalas-hyderabad-govt-sends-alert
[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/hyderabad-d
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/polio
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vaccination
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health