Howrah Division-Signalling Work In Connection With- Schedule A1-Signalling Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 24A/12(E) By Railway'S Relieving Girder Under Aen/Az. Schedule A2-Telecom Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 24A/12(E) By Railway'S Relieving Girder Under Aen/Az. Schedule B1-Signalling Cost For Construction Of New Lhs In Lieu Of Lc Gate No.12A/3 By Railway'S Relieving Girder Under Aen/Ndae. Schedule B2-Telecom Cost For Construction Of New Lhs In Lieu Of Lc Gate No.12A/3 By Railway'S Relieving Girder Under Aen/Ndae.