Sibsank Electronic Industries, Kolkata, (Battery Chargers, Battery Monitoring Systems, Counters, Preset, Float Chargers, Line Frequency Monitors, Digital, Power Supplies, DC Regulated, Power Supplies, Switched Mode (SMPS), Relays, Earth Fault, Relays, Voltage/Current, Timers, Digital, Timers, Programmable, Watches, Digital Stop)