According to Fire Department, they got a call about the incident at 11:55 PM following which five fire tenders were rushed to the spot. Fire fighters and police personnel soon launched the rescue efforts.
"The basement being built is around 40 feet deep. A makeshift wall was erected to keep the mud from collapsing, but that wall cracked and the debris fell on the four workers who were working on the spot," said R A Sanjeev, Deputy Commissioner of Police (South-West).
"We have registered a case against the construction company for causing death due to negligence and other relevant sections of IPC," the officer said.