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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]
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 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.
The River Mahakam is an economic resource for fishermen and farmers and a freshwater source, as a waterway since ancient times until today. It is in this river basin where the Kutai kingdom evolved. The Kutai history is divided into two periods, Kutai Martadipura (around 350–400 AD) and Kutai Kartanegara period (around 1300).
The word "India" is derived from the Indus River. In ancient times, "India" initially referred to those regions immediately along the east bank of the Indus, where are Punjab and Sindh now but by 300 BC, Greek writers including Herodotus and Megasthenes were applying the term to the entire subcontinent that extends much farther eastward. [29] [30]
Water pollution is a major environmental issue in India. The largest source of water pollution in India is untreated sewage. [1] Other sources of pollution include agricultural runoff and unregulated small-scale industry. Most rivers, lakes and surface water in India are polluted due to industries, untreated sewage and solid wastes.
Flood affected house in Karimganj District, Assam, India. Heavy rainfall and flooding in June 2024 severely impacted Assam State in India, causing 109 deaths [4] and inundating at least 1,325 villages in 19 districts, exacerbated by several rivers such as the Kopili, Barak, and Kushiyara overflowing.
India had the world's 9th largest gold reserves in 2022, and also became the world's 4th largest gold recycling country in the same year. [63] [64] The country has increased its organised gold refining capacity, with an increase from just 300 tons in 2013 to approximately 1,800 tons in 2021. [64] India has only 0.75% of total world gold ...