Railways min Piyush Goyal says track km grew from 77,609 km to 89,919 km from 1950-2014, risen to 1,23,236 km in past five years

Railways min Piyush Goyal says track km grew from 77,609 km to 89,919 km from 1950-2014, risen to 1,23,236 km in past five years.

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