Rep Power: 37 Points: 27668 UL: 206.61 mb DL: 126.52 mb Ratio: 1.63 Power type Electric Builder Chittaranjan Locomotive Works , West Bengal , India Gauge 5 ft 6 in (1,676 mm) Current collection method Overhead AC with pantograph Top speed Test Run:177 km/h (110 mph ), Operational: 140 km/h (87