Correct option is C
● The Ganga river stretch from Allahabad (Prayagraj) to Haldia is declared as National Waterway–1 (NW-1).
● It is the longest inland waterway in India, with a length of about 1,620 km.
● This waterway plays an important role in inland water transport and trade.
● National Waterway–1 passes through Uttar Pradesh, Bihar, Jharkhand, and West Bengal.
● It is developed under the National Waterways Act, 2016.
● The Inland Waterways Authority of India (IWAI) is responsible for its development.
● NW-1 connects major cities like Prayagraj, Varanasi, Patna, and Kolkata.
● It supports eco-friendly and cost-effective transportation.
● The Brahmaputra stretch (Sadiya–Dhubri) is National Waterway–2.
● West Coast Canal is part of National Waterway–3.
● Inland waterways reduce congestion on roads and railways.