Supply, Erection With All Required Modification And Retro Fitment Of Micro Control Based Electr Onic Speed Indicating And Recorder (Conforming To Rdso Spec. No. Mp.0.3700.07 Rev. 07 August-2017 Or L Atest For Working Voltage 24V Dc) For Both Cabs Of Jamalpur Make Mark-Iii, 4 Wheeler Tower Wagon As Per Rdso Ti No-Rdso-Tiolko (Ohe)/6/2020-0/O Ped/Ti/Rdso Dtd-24-06-2024. Operating Voltage Of Speedomet Er Should Be 24V Dc. [ Warranty Period: 30 Months After The Date Of Delivery ] ]