The iron and steel industry is referred to as the backbone of modern industry.

This is because it is a “feeder” industry whose products are used as raw materials for other industries.

Industry refers to an economic activity that is concerned with production of goods, extraction of minerals or provision of services.

Cotton textile industry expanded rapidly in Mumbai  because of the presence of favourable conditions such as warm and moist climate, a port situated nearby to import machinery, availability of raw material and skilled labour.

The location of industries is affected by the availability of raw material, land, water, labour, power, capital, transport and market.