Why cotton textile industry rapidly expanded in Mumbai?

Cotton textile rapidly expanded in Mumbai because of the following reasons:

• The city has humid, warm climate which supports the growth of cotton. 
  
• The raw material is easily available. 
  
• Port is located in Mumbai which is helpful in import and export of products. Apart from these, availabilities of skilled labor also helped in the expansion of cotton industry. 
  
• The first modern textile mill was established in 1854 in Mumbai itself.