The injured were rescued by two CATS ambulance drivers and locals following the mishap late last night in outer Delhi's Bawana area, added police.
The victims, who were rushed to Valmiki hospital from where four of them were shifted to Lok Nayak hospital were, according to police, declared to be out of danger today evening.
The incident took place at around 11.50 PM when the six persons -- Prince (30), Priya (26), Neeresh, Monu (both 25), Alka (24) and Kanhaiya were returning to their residence in Najafgarh after attending the wedding in Swatantra Nagar in Narela.