Step 1: Understanding the industrial beginning in India.
The textile industry was one of the earliest modern industries established in India. The first cotton mill was set up in Mumbai (then Bombay) in 1854.
Step 2: Reason for establishment in Mumbai.
Mumbai had a favorable location near the sea, a humid climate suitable for spinning cotton, and easy access to raw cotton and labor.
Step 3: Conclusion.
Therefore, the first cotton mill in India was established in Mumbai.