New Delhi, Sept. 12 -- Residents of Block C-9 in Vasant Kunj continue to struggle with overflowing sewage, with foul water from a blocked drain flooding an entire road in the colony. The crisis follows contamination of the block's groundwater supply, which has left murky-brown water flowing from household taps.

"The sewers in our block have been overflowing for months due to heavy rain. The Delhi Jal Board (DJB) sends suction machines, but the streets flood again the next day. It has severely restricted our movement," said Sandeep Mahindru, 64, a resident.

Residents' welfare association (RWA) president Mausami Bhattacharya said said problem keeps recurring as suction pumps are not run long enough to clear the lines. "The DJB switches th...