Mumbai, formerly known as Bombay, already surpassed Kolkata as the city with the most number of people in India. This was mainly because of the influx of immigrants into the city during the construction boom of the 1970s, which saw the growth of the city into the economic giant that it is now. The city is one of the largest sea ports in the vicinity of the Arabian Sea, which also gave rise to the city’s urban growth and development. (more…)