(i) Housing problems : Bombay Mumbai is a crowded city. Rich, traders, film producers, etc., live in sprawling spacious bungalows whereas 70% of the working people live in thickly populated chawls. (ii) Class division : People who belonged to the depressed classes found it difficult to find housing. Lower castes were kept out of many chawls. (iii) Film industry : Many Bombay (Mumbai films dealt with the arrival in the city of new migrants and their encounters with the real pressures of daily life. (iv) Pollution : City development everywhere occurred at the expense of ecology and the environment Natural features were flattened out or transformed in response to the growing demand for space for factories, housing and other institutions. Large quantities of refuse and waste products polluted air and water, while excessive none became a regular feature of urban life (v) Wide gap between rich and poor : Bombay Fort area which formed the heart of the city in early 1 SCO’s was divided between a native loan where most of the Indians lived, and a European or white section’. The gap between natives and whites and rich was poor was very wide.