Thousands of residents in Ambattur say they are still awaiting an underground drainage network more than a decade after the project was first promised. Multiple accounts describe how the delay has continued despite repeated assurances and ongoing urban development in the area. Residents report that the absence of an underground drainage system contributes to water accumulation and difficulties during rainy periods, affecting daily life and public sanitation. Community concerns center on whether the project will be completed and when, as well as how remaining gaps in drainage infrastructure will be managed.

The reporting highlights a long-running issue in which local communities have pushed for timely delivery of basic civic infrastructure, citing the scale of the affected population. The articles also frame the delay as a matter of public services that typically require planning, funding, and coordination among municipal bodies, with timelines repeatedly extended. While details on the specific reasons for the delay are not fully consistent across the brief provided, all accounts emphasize the same outcome: residents in Ambattur are still without the promised underground drainage network after many years.