The British ruled the city from 1818 and they made a military cantonment here in 1824. In 1864, Ahmedabad was connected to Bombay (now Mumbai) by rail which made Ahmedabad the leading hub for trade and manufacturing. After Independence, Ahmedabad was declared a provincial town of Bombay and it became the capital city of Gujarat on 1 May 1960.
Throughout 19th century and also during the first four decades of the 20th century , the growth of Guwahati was very slow. But, there after, both spatial and population growth of the city was rather rapid. During the World War II, the Britishers used this city as their strongholds by establishing the civil lines and cantonment .