India has a network of 111 declared National Waterways established under the National Waterways Act, 2016, covering a total length of over 20,000 kilometers. NW-1 (Ganga-Bhagirathi-Hooghly River System): Spans 1,620 km from Prayagraj to Haldia; it is the longest national waterway in India. NW-2 (Brahmaputra River): Spans 891 km from Sadiya to Dhubri in Assam. NW-3 (West Coast Canal): Spans 205 km in Kerala, including the Champakara and Udyogmandal canals. NW-4 (Krishna and Godavari Rivers): Covers a stretch of canals and rivers in Andhra Pradesh, Tamil Nadu, and Puducherry. NW-5 (Brahmani-Mahanadi River Delta): Spans 623 km across Odisha and West Bengal