Cluster Outsourcing for Maintenance of Landline and Broadband network – OFC Network - Optical Fibre Cable; SLA Based Maintenance of Optical Fiber cable (OFC) in Kalyan Operational Area under Kalyan Business Area As Per Scope Of Work Given In ATC , Cluster Outsourcing for Maintenance of Landline and Broadband network – OFC Network - Optical Fibre Cable; SLA Based Maintenance of Optical Fiber cable (OFC) in Raigad Operational Area under Kalyan Business Area As Per Scope Of Work Given In ATC