The Delhi Metro Rail Corporation (DMRC) on Friday, November 25, commenced the train runs on both up and down lines with automated signalling system in the Grey Line section between Najafgarh and Dhansa Bus Stand. “Services on this line will now be available with a headway of 07 minutes 30 seconds during peak hours and 12 minutes during off-peak hours,” the DMRC said. Earlier, the headway was 12 minutes and 15 minutes during peak and off-peak hours respectively.