Services on #Delhi Metro’s violet line affected due to a glitch between Mandi House and Central Secretariat stations. Services on #Delhi Metro’s violet line affected due to a glitch between Mandi House and Central Secretariat stations. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Tags: Services on #Delhi Metro's violet line affected due to a glitch between Mandi House and Central Secretariat stations. May 4, 2018 by vdc VIJAYCHOWK.COM