The deceased have been identified as Attar Singh Yadav (38) and wife Surekha Yadav (35), they said.
The mishap took place when the couple was going from Rewari to Kunjpura village in Mahendergarh district to participate in a function marking the death of his father.
Singh was posted in Jammu and Kashmir.
The driver of the vehicle managed to flee after the accident, police said, adding, he was booked for negligence and rash driving.