S & M Electronics, Kolkata, (Control Panels,Counters, Digital, Counters, Event/Object, Level Indicators/Controllers, Liquid, Level Indicators/Controllers, Water, Logic Controllers, Programmable (PLCs), Motor Control Panels (AC/DC), Power Supplies, DC Regulated,Process Controllers, Programmable, Speed Controllers, Electronic, Speed Drives, Thyristor Variable, Temperature Indicators/Controllers, Digital, Thermometers, Digital Electronic, Timers, Digital, Timers, Programmable )