GREATER NOIDA, April 29 -- Residents of Supertech Eco Village-1 say they are being forced to live amid foul smells, garbage pile-up and a growing mosquito menace, alleging that portions of the society's basement have been used for dumping waste over a prolonged period. The issue has triggered complaints from within the sprawling complex, home to nearly 6,500 families across around 50 towers, even as authorities have stepped in with penalties and warnings.

According to residents, household waste generated daily is routinely collected but not processed scientifically or lifted in time. Instead, they allege, it is taken to the basement, where it accumulates.

"This has been happening for a long time. Whatever garbage is generated is taken t...