Fixed Time Corridor Block for various safety and maintenance work has been approved in Chennai Division for the month of August, 2026, hence the following changes have been made in the pattern of train services:

vTrain No. 22648 Thiruvananthapuram North – Korba Superfast Express scheduled to leave Thiruvananthapuram North at 06.15 hrs o­n 06^th August, 2026 will be regulated/delayed for 2 hours at a convenient location enroute

vTrain No. 22642 Shalimar – Thiruvananthapuram Central Superfast Express scheduled to leave Shalimar at 23.45 hrs o­n 25^th August, 2026 will be regulated/delayed for 1 hour at a convenient location enroute

vTrain No. 12839 Howrah – Dr MGR Chennai Central Mail scheduled to leave Howrah at 23.45 hrs o­n 25^th, 27^th August, 2026 will be regulated/delayed for 1 hour at a convenient location enroute

vTrain No. 22644 Patna – Ernakulam Jn Express scheduled to leave Patna at 14.00 hrs o­n 27^th August, 2026 will be regulated/delayed for 1 hour at a convenient location enroute

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