to line block for 90 minutes from 1030 hrs to 1200 hrs in connection with engineering work on up and down line between Tiruvalam and Sevur for five days from March 11 to 14 and on March 18, the following changes in train services will be made.Train No.12680 Coimbatore - Chennai Central Intercity Express will be regulated for 10 minutes at Sevur. Train No.22815 Bilaspur - Ernakulam Weekly Express will...