Following were the causes:
1. This city was very close to the cotton producing areas of Maharashtra and Gujarat.
2. Cotton was exported to England through Mumbai port, so cotton was easily available in Mumbai city.
3. At that time, Mumbai was a financial center and necessary capital was also available here to start the industry.
4. There was easy availability of labour for cotton textile industry in sufficient quantity. 5. Necessary modern machines could be easily imported from England for cotton textile industry.