Police said the incident occurred around 3.30 pm when Additional Sessions Judge Krishan Kant's wife Ritu and son Dhruv had gone for shopping in the Arcadia market. They were accompanied by the judge's guard, Mahipal.
The woman's mother said the hearing of rape case was scheduled on Friday and hence she came from Karnal to Gurgaon to record her statement along with of her daughter in court.
"Six bodies have been retrieved from the accident site so far. The rescue teams are still on job," an NDRF spokesperson said.