Reasons— (i) Because Kolkata has humid climate, inexpensive labour, excellent means of transport and power is easily available as coal at Raniganj only raw material in not there which is easily made available from Deccan plateau region. (ii) Woollen textile industry has not developed as the cotton textile industry because: 1. The need for woollens is limited to the winter months in northern India. 2. Indigenous wool is of poor quality and have’ to depend on other countries for raw materials.