Udyogamandal and Champakkara
Sadiya and Dhubri
Kottapuram and Komman
Allahabad and Haldia
It comprises Ganga -Bhagirathi-Hooghly River System which connects Haldia-Kolkata-Farakka-Munger-Patna-Varanasi-Allahabad. It stretches more than 1620 km of potentially navigable waterways.