Correct Option: E

The Indian Railways has three gauges: broad gauge (1.676 meter), meters gauge (1 metre) and narrow gauge (0.762 and 0.610 metre). In 1950-51, the combined route kilometres of these gauges were 53,597. In 1995-96 the route length rose to 62,915 km showing a total increase of 9,336 m which represents an increase of 17.42 per cent and an average annual increase of 0.38 percent which was the highest in the Sixth Plan (2.9 per cent), followed by the First Plan (1.3 per cent).