Ashish Mehndiratta alias Ashu Chibbar, 34, and Tushar Verma, 20, were arrested yesterday by a team from Hari Nagar police station in the West District.
"Following a tip-off, a raid was conducted and the two accused persons were apprehended.
"A countrymade pistol with one live bullet was recovered from the possession of Tushar Verma," said DCP (West), Ranvir Singh.
The duo has been named along with three others in an attempted murder case by a family in west Delhi following an incident on the night of November 18, police added.