Comprehensive Annual Maintenance Contract Camc Of 04 Nos. 180 Kva Static Inverter Siv Of Siemens Make Fitted In Conventional Tap Changer Electric Locomotives No. 23531wag5, 28596wag7, 28597wag7 & 28676wag7 Of Diesel Shed, Eastern Railway, Jamalpur For A Period Of 02 Two Years With Oem Or Authorized Dealer Of Orm Through Open Tender Basis.