The deceased has been identified as Mosin Khan, a resident of the Jaipur Polo Ground area in the city, they said.
According to Deputy Commissioner of Police (South) Vijay Kumar, a call about the incident was received Wednesday evening.
Police found the motorist on a footpath in the Lodhi Colony area, Kumar said.
The left leg of the victim was fractured and he had other injuries, the DCP said.
He was rushed to the AIIMS trauma centre, where he was declared brought dead, a senior police officer said.
The bus was also found on the footpath where the body lay, police said.
The driver and the conductor are on the run, they added.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)