India, Aug. 14 -- Over 400 residents had to be evacuated from at least 20 four-storey residential buildings of Neelkanth enclave in Gurugram's Badshahpur area after a retention wall of an adjacent major construction site collapsed followed by soil cave-in due to the consistent rainfall on Thursday, officials said.

The move was necessitated after 10 of the 20 houses developed cracks following collapse of the wall located at their rear portion. Notably, at least 30 feet deep digging work has been carried out at the construction site, and the wall collapse also eroded the soil causing the pilings of the houses to become weak, they said, adding that due to rain there were no worker at the construction site.

The incident took place around 12...