Railway construction started from the 1850s, and many of the community (some now discontinued) was done by 1900. Karachi expanded enormously under British rule, followed to a lesser extent by Lahore and one other bigger towns. It lies around the flat alluvial plain from the Indus, about 50 miles (80 https://spokenenglishcourseinisla81367.weblogco.com/29119534/detailed-notes-on-pakistan