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The National Waterway 1 (NW-1) or Ganga-Bhagirathi-Hooghly river system is located in India and runs from Prayagraj in Uttar Pradesh to Haldia in West Bengal via Patna and Bhagalpur in Bihar across the Ganges river. [1] It is 1,620 km (1,010 mi) long, [2] making it the longest waterway in India. [3]
Most of the rivers in India originate from the four major watersheds in India. The Himalayan watershed is the source of majority of the major river systems in India including the three longest rivers–the Ganges, the Brahmaputra and the Indus. [3] [4] These three river systems are fed by more than 5000 glaciers. [5]
The system produced intense rainfall exceeding 100 millimetres within 24 hours, [1] resulting in 17 fatalities. [34] The crisis forced more than 250,000 residents to evacuate. The India Meteorological Department issued warnings about the depression's potential intensification into a tropical storm, with projected movement toward the Indian ...
India experiences an average precipitation of 1,170 millimetres (46 in) per year, or about 4,000 cubic kilometres (960 cu mi) of rains annually or about 1,720 cubic metres (61,000 cu ft) of fresh water per person every year. [1] India accounts for 18% of the world's population and about 4% of the world's water resources.
Most of the rivers in India originate from the four major watersheds in India. The Himalayan watershed is the source of majority of the major river systems in India including the three major rivers–the Ganges, the Brahmaputra and the Indus. [3] [4] These three river systems are fed by more than 5000 glaciers. [5]
There are 111 officially notified Inland National Waterways (NWs) in India identified for the purposes of inland water transport, [1] as per The National Waterways Act, 2016. Out of the 111 NWs, 106 were created in 2016. [2] The NW network covers around 20,275.5 km. NW-1, 2, & 3 are already operational.
The earliest mentions of irrigation are found in Rigveda chapters 1.55, 1.85, 1.105, 7.9, 8.69 and 10.101. [8] The Veda mentions only well-style irrigation, [9] where kupa and avata wells once dug are stated to be always full of water, from which varatra (rope strap) and cakra (wheel) pull kosa (pails) of water.
After a long struggle, British India agreed on 5 November 1914 to the Ganga Mahasabha's request, recognizing that the uninterrupted flow of the Ganges is a fundamental right of Hindus. This day is known as "Aviral Ganga Samjhauta Divas" (Uninterrupted Ganga Flow Agreement Day) in Indian history.