(i) Haldia is located at the confluence of rivers Hooghly and Haldia about 105 kms downstream from Kolkata. (ii) Haldia port has been developed to release congestion at the Kolkata port. (iii) Petrochemical industry and Fertilizer industry. (iv) The hinterland of the Haldia port includes the whole of eastern and northeastern India. The main areas are West Bengal, Bihar, Jharkhand, UP, Uttarakhand, Sikkim, Assam, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Meghalaya, Tripura and Northern parts of Chhattisgarh.