One other person has also got critically injured.
The incident took place at around 8.15 pm on Thursday. All three were taken to a nearby hospital, where Govind (25) and Satish (40) were declared dead, and Mukesh (30) was undergoing treatment.
The victims were the resident of Narela and allegedly have a criminal background.
The police are investigating the matter and trying to nab the attackers.
"We are investigating the matter," said Rohini DCP.(ANI)