The two persons, dealing in real estate in IP Extension, were returning from Mata Vaishno Devi shrine near Jammu, and had entered Delhi border when their car met with the accident.
The car was being driven at a very high speed, eyewitnesses said. Gas cutter had to be used to extricate their bodies from the badly mangled car.
A third person sitting near the block of bricks was critically injured. He was admitted to Raja Satyavadi Harish chandra hospital in Narela.
Murarilal Saini, an eyewitness said, the car was travelling at a speed ranging from 100 to 120 kmph.
The two bodies were sent to Babu Jagjivan Ram hospital for postmortem.