Superintendent of Police (SP) Ashish Bharti said acting on a tip off, a police team arrested three arms smugglers including one woman from near Purab Sarai police outpost.
Nine automatic pistols and 18 magazines and two mobile phones were seized from them, the SP said.
The three smugglers were identified as Mohammad Nasim, Suraj Tanti and Neelam Devi.
Investigations revealed they were on way to deliver the consingment to Howrah in West Bengal, the SP added.