[Class : 9] Sensors, Resistors, Driver Display Unit, Control Consoles, Switch Board Cabinets, Smart Panels, Electronic Cubicles, Power Panels, Cable Harnessing, Battery Chargers, On Board Conditioning Monitoring Systems, Surveillance Systems, Mobile Network Video Recorder(mnvr), Cctv Recorder, An Integrated Ip Based Surveillance System Comprising Fixed Dome/Wedge Ip Color Cameras, Video Management Software (Vms), Fascial Recognition System(frs), Ai Enabled Video Analytics Software & Hardware , And Microphones For Use On The Rolling Stock I.E. Coaches, Locomotives, All Self Propelled Vehicles, Trainset, Emu, Dmu, Memu And Kolkata Metro For Recording The Activities Inside As Well As Outside The Rolling Stock For Post Event Analysis.