Howrah Division- Signalling Work In Connection With- Schedule A1-Signalling Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 41 By Railway'S Relieving Girder Under Aen/Bdc. Schedule A2-Telecom Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 41 By Railway'S Relieving Girder Under Aen/Bdc. Schedule B1-Signalling Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 16/C/E In B.K Section Under Aen/Kwae. Schedule B2-Telecommunication Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 16/C/E In B.K Section Under Aen/Kwae. (EXPIRED)