A sewage tunnel reaching 3.7 kilometres into the sea at Bandra, Mumbai, along with a new pumping station
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/after-100-years-healthier-cleaner-city
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment