Fiver persons, including an engineer, died in a sewage treatment plant (STP) at Rohini in the north-west district on Wednesday.According to the police, the victims were all members of a maintenance
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/five-die-sewage-plant
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanitation