Cluster Outsourcing For Maintenance Of Landline Andbroadband Network – Ofc Network - Laying Of Cables Byhdd Method In Bgtd Zone-1 East, For Rehabilitation Of Ofcnetwork On Kilometer Basis; Refer Details In Atc , Clusteroutsourcing For Maintenance Of Landline And Broadbandnetwork – Ofc Network - Laying Of Cables By Opentrenching Method In Bgtd Zone-1 East, For Rehabilitation Ofofc Network On Kilometer Basis; Refer Details In Atc Quantity: 2