In the last six days, the Corporation has deployed workers to spray larvicide along 2,449 km of storm-water drains, undertook fogging on several streets.

Source: https://www.thehindu.com/news/cities/chennai/dredging-taken-up-at-cooum-mouth-to-control-mosquito-menace/article66526304.ece

This has arisen due to the gap between reality and the expectations generated by repeated statements of representatives of the State government regarding the status of a ₹4,000-crore storm-water drain project.

Source: https://www.thehindu.com/news/national/tamil-nadu/cyclone-michaung-anger-swells-against-political-parties-for-inadequate-response-during-floods-in-chennai/article67621104.ece

Till now, the storm-water drain work for about 3,400 km has been completed,” he said.

Source: https://indianexpress.com/article/cities/chennai/chennai-first-steel-flyover-september-complete-construction-8996459/