Dhaka Constituent Assembly of Bangladesh in 1972. The post-independence period witnessed rapid growth as Dhaka attracted migrant workers from across rural Bangladesh. 60% of population growth has been due to rural migration. The city endured socialist unrest in the early 1970s, followed by a few years of martial law. The stock exchange and free market were restored in the late 1970s. In the 1980s, Dhaka saw the inauguration of the National Parliament House (which won the Aga Khan Award for Architecture), a new international airport and the Bangladesh National Museum. Bangladesh pioneered the formation of the South Asian Association for Regional
History of Dhaka time. Although an important city in the Bengal province, Dhaka remained smaller than Kolkata, which served as the capital of British India for a long period of time. Under British rule, many modern educational institutions, public works and townships were developed. A modern water supply system was introduced in 1874 and electricity supply in 1878. The Dhaka Cantonment was established near the city, serving as a base for the soldiers of the British Indian Army. Dhaka served as a strategic link to the frontier of the northeastern states of Tripura and Assam. Charles D'Oyly was the District Collector of Dhaka