For engineering work at Villupuram yard, these changes will be made in train services on Friday: Madurai Villupuram-Madurai passenger (train no. 56706 56705) will be cancelled between Vriddhachalam and Villupuram.
Tirupati-Puducherry-Tirupati passenger (no. 5604156042) will be cancelled between Chengalpattu and Puducherry.Chennai Egmore-Puducherry-Chennai Egmore passenger (no. 5603756038) will be cancelled between Tindivanam and Puducherry.
Melmaruvathur-Villupuram-Melmaruvathur passenger (no. 6604566046) will be cancelled. Villupuram-Puducherry-Villupuram passenger (no. 56863 56864) will be cancelled.
Chennai Egmore -Madurai Vaigai Express (no. 12635) will be regulated for 20 minutes between Egmore and Villupuram.