Mumbai local Trains Services Affected Due Glitch In signalling system

Railway officials said the technical fault occurred in the signalling system on the UP (Chhatrapati Shivaji Maharaj Terminus-bound) fast line around 7 am, due to which some local trains were held up for about an hour. 
  Railway officials said the technical fault occurred in the signalling system on the UP (Chhatrapati Shivaji Maharaj Terminus-bound) fast line around 7 am, due to which some local trains were held up for about an hour. 
   Zee News :Business