Why are most of the jute mills of India located in West Bengal?

1. About 90% of India's jute is produced in the Ganga- Brahmaputra delta. Hence there is abundant and regular supply of jute.
2. Coal is obtained from Raniganj coalfields, which is less the 200km away. 3. Hooghly river provides fresh water in abundance it the industry for washing jute and jute goods.4. Cheap skilled and unskilled labour is available from the densely populated states of W.Bengal, Bihar, and U.P. 5. Cheap water transportation with a network of roads and railways help in collection of raw materials and distribution of finished goods.6. Cheap and adequate hydel power is available from the Damodar Valley Corporation (DVC).7. Kolkata provides good port facilities for the import of machinery and export of finished jute products.8. There is no dearth of finances required to be invested.