Operation And Maintenance Of Electro-Mechanicalinstallations - Outsourcing Maintenance Of Cellular Mobileaccess Equipment, Mobile Infrastructure, Diesel Filling Anddg Operation At Bsnl Base Transceiver Stations (Bts) Sites(2G And/Or 3G And/Or 4G).. , Operation And Maintenance Ofelectro-Mechanical Installations - Outsourcing Maintenanceof Cellular Mobile Access Equipment, Mobile Infrastructure,Diesel Filling And Dg Operation At Non-Bsnl Basetransceiver Stations (Bts) Sites (2G And/Or 3G And/Or.. ,Operation And Maintenance Of Electro-Mechanicalinstallations - Outsourcing Maintenance Of Cellular Mobileaccess Equipment At Infrastructure Provider (Ip) Sites (2Gand/Or 3G And/Or 4G) Of Shivamogga Business Area ,Operation And Maintenance Of Electro-Mechanicalinstallations - Outsourcing Of Rigger Activities For Bts Sitesof Shivamogga Business Area Quantity: 867