Howrah Division-Signalling Work In Connection With-Schedule A1-Signaling Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 17A-7 At Km 84-13-15 In Bdc-Kwae Section Under Aen -Ndae. Schedule A2-Telecom Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 17A/7 At Km 84/13-15 In Bdc-Kwae Section Under Aen/Ndae. Schedule B1-Signalling Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 17A -T At Km 73-28-30 In Bdc-Kwae Section Under Aen-Ndae. Schedule B2-Telecom Cost For Construction Of New Lhs In Lieu Of Lc Gate No. 17A At Km 73/28-30 In Bdc-Kwae Section Under Aen/Ndae.