Howrah Division- Signalling Work In Connection With- Schedule A1-Signalling Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 30 By Railway'S Relieving Girder Under Aen/Bdc. Schedule A2-Telecommunication Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 30 By Railway'S Relieving Girder Under Aen/Bdc. Schedule B1-Signalling Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 35 By Railway'S Relieving Girder Under Aen/Bdc. Schedule B2-Telecom Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 35 By Railway'S Relieving Girder Under Aen/Bdc.