A Metro staffer was stabbed and Rs 12 lakh looted from him at Rajender Nagar station on Monday.
The suspects entered the Metro station at around 5.30am with a knife and targeted the control room, where the ticketing counter is located.
The station, located in the Central Delhi area, falls on the Blue Line of the DMRC.
The victim was rushed to the nearby hospital to be treated for his injuries.
Police are investigation into the matter and examining the CCTV footage to gather more details.
A senior DMRC official said that the staffer is “out of danger” now.