On a tip-off, the Crime Branch team nabbed three men from Surajkund-Faridabad road yesterday while they were making plans to rob commuters, police said.
The accused have been identified as Sunil, resident of New Delhi, Shankar, a native Uttar Pradesh and Rahul, native of Faridabad.
Live cartridges, a country-made pistol and two iron rods have been recovered from their possession, Kailash Chand, Deputed in Crime Branch, said.
A case has been registered under relevant sections of the IPC, he added.
The accused were identified as Zakir, Irfan and Faruqi.
A case has been registered against them and the matter is being investigated, said Investigating Officer ASI Jameel Khan.