With the delinking of Kukatpally nala from Hussainsagar, the Telangana State Pollution Control Board (TSCPB) has initiated steps to bring down the pollution level in the lake.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bid-improve-water-quality-hussainsagar
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-hyderabad
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/telangana
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hussain-sagar
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biological-oxygen-demand-bod
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/total-dissolved-solids
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution