Correct Option: A

India has about 14,500 km of navigable waterways, which consists of the Ganges–Bhagirathi–Hooghly rivers, the Brahmaputra, the Barak river, the rivers in Goa, the backwaters in Kerala, inland waters in Mumbai and the deltaic regions of the Godavari Krishna rivers. National Waterway-1: Allahabad–Haldia stretch of the Ganges–Bhagirathi–Hooghly river of total length 1620 km was declared as National Waterway1 (NW-1) in the year 1986.