Reasons for concentration of Jute Mills on the Hoogly River:
(i) West Bengal is the storehouse of Jute. It produces the highest quantity of Jute.
(ii) The industry requires a lot of water which is easily available from the Hoogly River.
(iii) Cheap labour is easily available because of migrating labour from neighbouring states of Bihar and Odisha.
(iv) Inexpensive water transport in the river Hoogly is available.
(v) A large urban sector in Kolkata provides banking, insurance and loan facilities.
(vi) Kolkata is a good harbour which can provide facilities for the export of Jute products in various parts of the world.