Articles
You and i magazine
You and i magazine published this article page no 41 indian railways has launched extensive programme to convert the metre and narrow gauges to broad gauge. moreover steam engines have been replaced by diesel and electric engines. this step has increased the speed as well as the haulage capacity. the replacement of steam engines run by coal has also improved the environment of the stations. metro rail has revolutionlised the urban transport system in kolkata and delhi. replacement of diesel buses by cng run vehicles along with introduction of metro is a welcome step towards controlling the air pollution in urban centres you and i magazine subscription.