Preventive Maintenance And Emergency Breakdown Works In Existing 400Kv, 230Kv And 110Kv Eht Lines Of Tirupur Lines Sections Of Coimbatore Operation Circle In Palladam Lines Subdivision For A Period Of One Year 365 Days From The Date Of Commencement Se/O/Cbe/Tpr Lines Amc/Et- 11/2025, Dated. 21.06.2025.